Finding the Fourth Proportional to 1,351,192,545.39, 2,027,094,438.38 and 729,394,432.07
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Solution
The fourth proportional to 1,351,192,545.39, 2,027,094,438.38 and 729,394,432.07 is: 1,094,256,626.62
Step by Step Solution
- Step 1: Write the proportion equation
1,351,192,545.39 : 2,027,094,438.38 = 729,394,432.07 : x - Step 2: Convert to fraction form
1,351,192,545.39/2,027,094,438.38 = 729,394,432.07/x - Step 3: Cross multiply
1,351,192,545.39x = 2,027,094,438.38 × 729,394,432.07 - Step 4: Simplify right side
1,351,192,545.39x = 1,478,551,396,638,730,496 - Step 5: Solve for x
x = 1,478,551,396,638,730,496/1,351,192,545.39 - Step 6: Final answer
x = 1,094,256,626.62
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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.