Finding the Fourth Proportional to 2,614,213,685.44, 3,921,318,132.20 and 819,440,149.32
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Solution
The fourth proportional to 2,614,213,685.44, 3,921,318,132.20 and 819,440,149.32 is: 1,229,159,472.95
Step by Step Solution
- Step 1: Write the proportion equation
2,614,213,685.44 : 3,921,318,132.20 = 819,440,149.32 : x - Step 2: Convert to fraction form
2,614,213,685.44/3,921,318,132.20 = 819,440,149.32/x - Step 3: Cross multiply
2,614,213,685.44x = 3,921,318,132.20 × 819,440,149.32 - Step 4: Simplify right side
2,614,213,685.44x = 3,213,285,515,781,191,680 - Step 5: Solve for x
x = 3,213,285,515,781,191,680/2,614,213,685.44 - Step 6: Final answer
x = 1,229,159,472.95
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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.