Finding the Fourth Proportional to 488,795,635.20, 732,626,582.40 and 197,471,488.80
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Solution
The fourth proportional to 488,795,635.20, 732,626,582.40 and 197,471,488.80 is: 295,978,219.82
Step by Step Solution
- Step 1: Write the proportion equation
488,795,635.20 : 732,626,582.40 = 197,471,488.80 : x - Step 2: Convert to fraction form
488,795,635.20/732,626,582.40 = 197,471,488.80/x - Step 3: Cross multiply
488,795,635.20x = 732,626,582.40 × 197,471,488.80 - Step 4: Simplify right side
488,795,635.20x = 144,672,861,960,983,872 - Step 5: Solve for x
x = 144,672,861,960,983,872/488,795,635.20 - Step 6: Final answer
x = 295,978,219.82
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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.