Finding the Fourth Proportional to 472,306,631.08, 708,664,562.38 and 253,701,925.96
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Solution
The fourth proportional to 472,306,631.08, 708,664,562.38 and 253,701,925.96 is: 380,662,799.34
Step by Step Solution
- Step 1: Write the proportion equation
472,306,631.08 : 708,664,562.38 = 253,701,925.96 : x - Step 2: Convert to fraction form
472,306,631.08/708,664,562.38 = 253,701,925.96/x - Step 3: Cross multiply
472,306,631.08x = 708,664,562.38 × 253,701,925.96 - Step 4: Simplify right side
472,306,631.08x = 179,789,564,335,406,560 - Step 5: Solve for x
x = 179,789,564,335,406,560/472,306,631.08 - Step 6: Final answer
x = 380,662,799.34
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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.