Finding the Fourth Proportional to 574,560,138.20, 861,840,207.30 and 565,490,211.80
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Solution
The fourth proportional to 574,560,138.20, 861,840,207.30 and 565,490,211.80 is: 848,235,317.70
Step by Step Solution
- Step 1: Write the proportion equation
574,560,138.20 : 861,840,207.30 = 565,490,211.80 : x - Step 2: Convert to fraction form
574,560,138.20/861,840,207.30 = 565,490,211.80/x - Step 3: Cross multiply
574,560,138.20x = 861,840,207.30 × 565,490,211.80 - Step 4: Simplify right side
574,560,138.20x = 487,362,201,363,832,832 - Step 5: Solve for x
x = 487,362,201,363,832,832/574,560,138.20 - Step 6: Final answer
x = 848,235,317.70
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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.