Finding the Fourth Proportional to 395,464,337.87, 592,781,262.47 and 133,057,794.65
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Solution
The fourth proportional to 395,464,337.87, 592,781,262.47 and 133,057,794.65 is: 199,446,979.01
Step by Step Solution
- Step 1: Write the proportion equation
395,464,337.87 : 592,781,262.47 = 133,057,794.65 : x - Step 2: Convert to fraction form
395,464,337.87/592,781,262.47 = 133,057,794.65/x - Step 3: Cross multiply
395,464,337.87x = 592,781,262.47 × 133,057,794.65 - Step 4: Simplify right side
395,464,337.87x = 78,874,167,493,435,728 - Step 5: Solve for x
x = 78,874,167,493,435,728/395,464,337.87 - Step 6: Final answer
x = 199,446,979.01
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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.