43370182 ÷ 515 
We want to figure out the number of times 43370182 can be divided by 515.

Step 1:
515 goes into 4 0 times with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (3) from the dividend and append it to 4, then repeat: 43 / 515

On to step 2:
When dividing 43 by 515, we get 0 with a remainder of 43.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 43 and we're left with 43.
Include the next digit (3) from the dividend after 43, then repeat: 433 / 515

Let's proceed to step 3:
When dividing 433 by 515, we get 0 with a remainder of 433.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 433 leaves us with 433.
Append the next digit (7) from the dividend to 433 and continue with: 4337 / 515

Advancing to step 4:
515 goes into 4337 8 times with a remainder of 217.
Put 8 as the next digit of the answer. 
Result so far: 8.0
Deduct 4120 from 4337 and we're left with 217.
Include the next digit (0) from the dividend after 217, then repeat: 2170 / 515

Let's proceed to step 5:
515 goes into 2170 4 times with a remainder of 110.
Record the quotient 4 as the next digit in the result. 
Result so far: 84.0
If we take 2060 away from 2170, we end up with 110.
Fetch the next digit (1) from the dividend, attach it to 110 and continue: 1101 / 515

Step 6:
When dividing 1101 by 515, we get 2 with a remainder of 71.
The next digit of our result is 2. 
Result so far: 842.0
If we subtract 1030 from 1101, we get 71.
Fetch the next digit (8) from the dividend, attach it to 71 and continue: 718 / 515

Step 7:
515 goes into 718 1 times with a remainder of 203.
Write down 1 as next digit of the result. 
Result so far: 8421.0
If we subtract 515 from 718, we get 203.
Include the next digit (2) from the dividend after 203, then repeat: 2032 / 515

Step 8:
When dividing 2032 by 515, we get 3 with a remainder of 487.
The number 3 becomes the next digit in our result. 
Result so far: 84213.0
If we subtract 1545 from 2032, we get 487.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4870, and continue the process.

Advancing to step 9:
515 goes into 4870 9 times with a remainder of 235.
The next digit of our result is 9. 
Result so far: 84213.9
Subtracting 4635 from 4870 leaves us with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Step 10:
The number 515 fits into 2350 4 times, leaving a remainder of 290.
The number 4 becomes the next digit in our result. 
Result so far: 84213.94
Deduct 2060 from 2350 and we're left with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Step 11:
When dividing 2900 by 515, we get 5 with a remainder of 325.
Put 5 as the next digit of the answer. 
Result so far: 84213.945
Subtracting 2575 from 2900 leaves us with 325.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

Step 12:
When dividing 3250 by 515, we get 6 with a remainder of 160.
Use 6 as the next digit of our solution. 
Result so far: 84213.9456
Deduct 3090 from 3250 and we're left with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Step 13:
515 goes into 1600 3 times with a remainder of 55.
The next digit of our result is 3. 
Result so far: 84213.94563
Subtract 1545 from 1600 to get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Let's proceed to step 14:
If we divide 550 by 515, we get 1 and a remainder of 35.
The next digit of our result is 1. 
Result so far: 84213.945631
Subtract 515 from 550 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 15:
When dividing 350 by 515, we get 0 with a remainder of 350.
Use 0 as the next digit of our solution. 
Result so far: 84213.945631
If we subtract 0 from 350, we get 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3500, and continue the process.

Advancing to step 16:
The number 515 fits into 3500 6 times, leaving a remainder of 410.
Write down 6 as next digit of the result. 
Result so far: 84213.94563106
Deduct 3090 from 3500 and we're left with 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4100, and continue the process.

After the division, we end up with 84213.94563106 and a remainder of 4.1e-07.