44345690 ÷ 643 
Our goal is to divide 44345690 by 643.

Let's proceed to step 1:
643 can be fit into 4 0 times, resulting in a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Take the next digit (4) from the dividend and append it to 4, then repeat: 44 / 643

Let's proceed to step 2:
When dividing 44 by 643, we get 0 with a remainder of 44.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 44 to get 44.
Fetch the next digit (3) from the dividend, attach it to 44 and continue: 443 / 643

Going ahead to step 3:
643 goes into 443 0 times with a remainder of 443.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 443 leaves us with 443.
Take the next digit (4) from the dividend and append it to 443, then repeat: 4434 / 643

Going ahead to step 4:
643 can be fit into 4434 6 times, resulting in a remainder of 576.
Write down 6 as next digit of the result. 
Result so far: 6.0
Subtract 3858 from 4434 to get 576.
Append the next digit (5) from the dividend to 576 and continue with: 5765 / 643

Advancing to step 5:
643 can be fit into 5765 8 times, resulting in a remainder of 621.
Use 8 as the next digit of our solution. 
Result so far: 68.0
If we subtract 5144 from 5765, we get 621.
Bring next digit (6) of the dividend behind the 621 and repeat the process: 6216 / 643

Advancing to step 6:
When dividing 6216 by 643, we get 9 with a remainder of 429.
The next digit of our result is 9. 
Result so far: 689.0
Deduct 5787 from 6216 and we're left with 429.
Append the next digit (9) from the dividend to 429 and continue with: 4299 / 643

Moving on to step 7:
The number 643 fits into 4299 6 times, leaving a remainder of 441.
Write down 6 as next digit of the result. 
Result so far: 6896.0
Deduct 3858 from 4299 and we're left with 441.
Fetch the next digit (0) from the dividend, attach it to 441 and continue: 4410 / 643

On to step 8:
643 goes into 4410 6 times with a remainder of 552.
Use 6 as the next digit of our solution. 
Result so far: 68966.0
If we subtract 3858 from 4410, we get 552.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5520, and continue the process.

Let's proceed to step 9:
5520 divided by 643 is 8 with a remainder of 376.
Write down 8 as next digit of the result. 
Result so far: 68966.8
Deduct 5144 from 5520 and we're left with 376.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3760, and continue the process.

Going ahead to step 10:
643 goes into 3760 5 times with a remainder of 545.
Use 5 as the next digit of our solution. 
Result so far: 68966.85
Subtract 3215 from 3760 to get 545.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5450, and continue the process.

Moving on to step 11:
643 goes into 5450 8 times with a remainder of 306.
The next digit of our result is 8. 
Result so far: 68966.858
If we take 5144 away from 5450, we end up with 306.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3060, and continue the process.

Step 12:
3060 divided by 643 is 4 with a remainder of 488.
The next digit of our result is 4. 
Result so far: 68966.8584
If we take 2572 away from 3060, we end up with 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

Moving on to step 13:
The number 643 fits into 4880 7 times, leaving a remainder of 379.
Write down 7 as next digit of the result. 
Result so far: 68966.85847
Subtract 4501 from 4880 to get 379.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3790, and continue the process.

Let's proceed to step 14:
When dividing 3790 by 643, we get 5 with a remainder of 575.
Write down 5 as next digit of the result. 
Result so far: 68966.858475
Subtract 3215 from 3790 to get 575.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5750, and continue the process.

Moving on to step 15:
643 goes into 5750 8 times with a remainder of 606.
Use 8 as the next digit of our solution. 
Result so far: 68966.8584758
If we subtract 5144 from 5750, we get 606.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6060, and continue the process.

Advancing to step 16:
6060 divided by 643 is 9 with a remainder of 273.
Write down 9 as next digit of the result. 
Result so far: 68966.85847589
The remainder is 273 after subtracting 5787 from 6060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

Our division results in 68966.85847589 with a remaining 2.73e-07.