Finding the Fourth Proportional to 374,909,477.13, 517,335,691.19 and 207,641,356.47
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Solution
The fourth proportional to 374,909,477.13, 517,335,691.19 and 207,641,356.47 is: 286,523,257.53
Step by Step Solution
- Step 1: Write the proportion equation
374,909,477.13 : 517,335,691.19 = 207,641,356.47 : x - Step 2: Convert to fraction form
374,909,477.13/517,335,691.19 = 207,641,356.47/x - Step 3: Cross multiply
374,909,477.13x = 517,335,691.19 × 207,641,356.47 - Step 4: Simplify right side
374,909,477.13x = 107,420,284,667,998,416 - Step 5: Solve for x
x = 107,420,284,667,998,416/374,909,477.13 - Step 6: Final answer
x = 286,523,257.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.