Finding the Fourth Proportional to 497,991,446.10, 746,987,169.15 and 325,998,767.70
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Solution
The fourth proportional to 497,991,446.10, 746,987,169.15 and 325,998,767.70 is: 488,998,151.55
Step by Step Solution
- Step 1: Write the proportion equation
497,991,446.10 : 746,987,169.15 = 325,998,767.70 : x - Step 2: Convert to fraction form
497,991,446.10/746,987,169.15 = 325,998,767.70/x - Step 3: Cross multiply
497,991,446.10x = 746,987,169.15 × 325,998,767.70 - Step 4: Simplify right side
497,991,446.10x = 243,516,896,630,611,424 - Step 5: Solve for x
x = 243,516,896,630,611,424/497,991,446.10 - Step 6: Final answer
x = 488,998,151.55
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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.