Finding the Fourth Proportional to 331,915,057.20, 497,872,585.80 and 178,860,049.20
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Solution
The fourth proportional to 331,915,057.20, 497,872,585.80 and 178,860,049.20 is: 268,290,073.80
Step by Step Solution
- Step 1: Write the proportion equation
331,915,057.20 : 497,872,585.80 = 178,860,049.20 : x - Step 2: Convert to fraction form
331,915,057.20/497,872,585.80 = 178,860,049.20/x - Step 3: Cross multiply
331,915,057.20x = 497,872,585.80 × 178,860,049.20 - Step 4: Simplify right side
331,915,057.20x = 89,049,515,191,519,216 - Step 5: Solve for x
x = 89,049,515,191,519,216/331,915,057.20 - Step 6: Final answer
x = 268,290,073.80
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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.