Identify Operation: Identify the mathematical operation required to solve the problem. We need to find a number that, when multiplied by 400, gives us 36,000. This is a multiplication problem that can be turned into a division problem to find the missing number.
Set Up Division: Set up the division problem. To find the number that multiplies with 400 to give 36,000, we divide 36,000 by 400.
Perform Division: Perform the division. Calculate 36,000÷400 to find the missing number.
Complete Calculation: Complete the calculation. 36,000÷400 equals 90. So, 400 multiplied by 90 gives us 36,000.