Finding the Fourth Proportional to 752,283,613.98, 1,128,515,163.12 and 363,827,313.18
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Solution
The fourth proportional to 752,283,613.98, 1,128,515,163.12 and 363,827,313.18 is: 545,784,371.81
Step by Step Solution
- Step 1: Write the proportion equation
752,283,613.98 : 1,128,515,163.12 = 363,827,313.18 : x - Step 2: Convert to fraction form
752,283,613.98/1,128,515,163.12 = 363,827,313.18/x - Step 3: Cross multiply
752,283,613.98x = 1,128,515,163.12 × 363,827,313.18 - Step 4: Simplify right side
752,283,613.98x = 410,584,639,680,838,976 - Step 5: Solve for x
x = 410,584,639,680,838,976/752,283,613.98 - Step 6: Final answer
x = 545,784,371.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.