Finding the Fourth Proportional to 497,664,265.20, 746,496,397.80 and 376,731,913.20
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Solution
The fourth proportional to 497,664,265.20, 746,496,397.80 and 376,731,913.20 is: 565,097,869.80
Step by Step Solution
- Step 1: Write the proportion equation
497,664,265.20 : 746,496,397.80 = 376,731,913.20 : x - Step 2: Convert to fraction form
497,664,265.20/746,496,397.80 = 376,731,913.20/x - Step 3: Cross multiply
497,664,265.20x = 746,496,397.80 × 376,731,913.20 - Step 4: Simplify right side
497,664,265.20x = 281,229,016,140,102,240 - Step 5: Solve for x
x = 281,229,016,140,102,240/497,664,265.20 - Step 6: Final answer
x = 565,097,869.80
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Similar ratio
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1.5x scale
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.