Finding the Fourth Proportional to 574,560,244.80, 861,840,367.20 and 393,161,716.80
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Solution
The fourth proportional to 574,560,244.80, 861,840,367.20 and 393,161,716.80 is: 589,742,575.20
Step by Step Solution
- Step 1: Write the proportion equation
574,560,244.80 : 861,840,367.20 = 393,161,716.80 : x - Step 2: Convert to fraction form
574,560,244.80/861,840,367.20 = 393,161,716.80/x - Step 3: Cross multiply
574,560,244.80x = 861,840,367.20 × 393,161,716.80 - Step 4: Simplify right side
574,560,244.80x = 338,842,638,375,894,464 - Step 5: Solve for x
x = 338,842,638,375,894,464/574,560,244.80 - Step 6: Final answer
x = 589,742,575.20
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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.