Finding the Fourth Proportional to 754,653,457.20, 1,131,980,185.80 and 522,201,163.80
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Solution
The fourth proportional to 754,653,457.20, 1,131,980,185.80 and 522,201,163.80 is: 783,301,745.70
Step by Step Solution
- Step 1: Write the proportion equation
754,653,457.20 : 1,131,980,185.80 = 522,201,163.80 : x - Step 2: Convert to fraction form
754,653,457.20/1,131,980,185.80 = 522,201,163.80/x - Step 3: Cross multiply
754,653,457.20x = 1,131,980,185.80 × 522,201,163.80 - Step 4: Simplify right side
754,653,457.20x = 591,121,370,423,300,224 - Step 5: Solve for x
x = 591,121,370,423,300,224/754,653,457.20 - Step 6: Final answer
x = 783,301,745.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.