43489975 ÷ 909 
We're looking to find how many times 909 goes into 43489975.

On to step 1:
4 divided by 909 is 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Include the next digit (3) from the dividend after 4, then repeat: 43 / 909

Let's proceed to step 2:
909 can be fit into 43 0 times, resulting in a remainder of 43.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 43, we get 43.
Include the next digit (4) from the dividend after 43, then repeat: 434 / 909

Advancing to step 3:
909 goes into 434 0 times with a remainder of 434.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 434 leaves us with 434.
Grab the next digit (8) from the dividend, add it to 434, then carry on: 4348 / 909

Step 4:
When dividing 4348 by 909, we get 4 with a remainder of 712.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 3636 from 4348, we get 712.
Bring next digit (9) of the dividend behind the 712 and repeat the process: 7129 / 909

Step 5:
If we divide 7129 by 909, we get 7 and a remainder of 766.
The next digit of our result is 7. 
Result so far: 47.0
Subtracting 6363 from 7129 leaves us with 766.
Append the next digit (9) from the dividend to 766 and continue with: 7669 / 909

Moving on to step 6:
909 goes into 7669 8 times with a remainder of 397.
Put 8 as the next digit of the answer. 
Result so far: 478.0
Subtracting 7272 from 7669 leaves us with 397.
Bring next digit (7) of the dividend behind the 397 and repeat the process: 3977 / 909

Step 7:
909 goes into 3977 4 times with a remainder of 341.
Use 4 as the next digit of our solution. 
Result so far: 4784.0
If we take 3636 away from 3977, we end up with 341.
Bring next digit (5) of the dividend behind the 341 and repeat the process: 3415 / 909

On to step 8:
3415 divided by 909 is 3 with a remainder of 688.
The next digit of our result is 3. 
Result so far: 47843.0
The remainder is 688 after subtracting 2727 from 3415.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6880, and continue the process.

Let's proceed to step 9:
6880 divided by 909 is 7 with a remainder of 517.
The next digit of our result is 7. 
Result so far: 47843.7
Subtract 6363 from 6880 to get 517.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5170, and continue the process.

Let's proceed to step 10:
If we divide 5170 by 909, we get 5 and a remainder of 625.
Put 5 as the next digit of the answer. 
Result so far: 47843.75
Subtract 4545 from 5170 to get 625.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6250, and continue the process.

Let's proceed to step 11:
6250 divided by 909 is 6 with a remainder of 796.
The number 6 becomes the next digit in our result. 
Result so far: 47843.756
Deduct 5454 from 6250 and we're left with 796.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7960, and continue the process.

Let's proceed to step 12:
909 goes into 7960 8 times with a remainder of 688.
The next digit of our result is 8. 
Result so far: 47843.7568
Subtract 7272 from 7960 to get 688.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6880, and continue the process.

Moving on to step 13:
If we divide 6880 by 909, we get 7 and a remainder of 517.
Use 7 as the next digit of our solution. 
Result so far: 47843.75687
Deduct 6363 from 6880 and we're left with 517.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5170, and continue the process.

On to step 14:
909 goes into 5170 5 times with a remainder of 625.
The number 5 becomes the next digit in our result. 
Result so far: 47843.756875
Deduct 4545 from 5170 and we're left with 625.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6250, and continue the process.

On to step 15:
If we divide 6250 by 909, we get 6 and a remainder of 796.
The number 6 becomes the next digit in our result. 
Result so far: 47843.7568756
If we subtract 5454 from 6250, we get 796.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7960, and continue the process.

Moving on to step 16:
When dividing 7960 by 909, we get 8 with a remainder of 688.
Put 8 as the next digit of the answer. 
Result so far: 47843.75687568
The remainder is 688 after subtracting 7272 from 7960.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6880, and continue the process.

In conclusion, the division gives 47843.75687568 with a balance of 6.88e-07.