Finding the Fourth Proportional to 5,125,342,872.56, 7,687,237,517.36 and 1,394,924,960.24
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Solution
The fourth proportional to 5,125,342,872.56, 7,687,237,517.36 and 1,394,924,960.24 is: 2,092,176,027.03
Step by Step Solution
- Step 1: Write the proportion equation
5,125,342,872.56 : 7,687,237,517.36 = 1,394,924,960.24 : x - Step 2: Convert to fraction form
5,125,342,872.56/7,687,237,517.36 = 1,394,924,960.24/x - Step 3: Cross multiply
5,125,342,872.56x = 7,687,237,517.36 × 1,394,924,960.24 - Step 4: Simplify right side
5,125,342,872.56x = 10,723,119,488,258,834,432 - Step 5: Solve for x
x = 10,723,119,488,258,834,432/5,125,342,872.56 - Step 6: Final answer
x = 2,092,176,027.03
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1.5x scale
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.