Finding the Fourth Proportional to 534,854,470.20, 802,281,705.30 and 488,937,967.80
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Solution
The fourth proportional to 534,854,470.20, 802,281,705.30 and 488,937,967.80 is: 733,406,951.70
Step by Step Solution
- Step 1: Write the proportion equation
534,854,470.20 : 802,281,705.30 = 488,937,967.80 : x - Step 2: Convert to fraction form
534,854,470.20/802,281,705.30 = 488,937,967.80/x - Step 3: Cross multiply
534,854,470.20x = 802,281,705.30 × 488,937,967.80 - Step 4: Simplify right side
534,854,470.20x = 392,265,986,592,500,480 - Step 5: Solve for x
x = 392,265,986,592,500,480/534,854,470.20 - Step 6: Final answer
x = 733,406,951.70
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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.