Finding the Fourth Proportional to 3,854,418,523.61, 5,320,840,442.92 and 2,427,586,565.92
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Solution
The fourth proportional to 3,854,418,523.61, 5,320,840,442.92 and 2,427,586,565.92 is: 3,351,167,160.37
Step by Step Solution
- Step 1: Write the proportion equation
3,854,418,523.61 : 5,320,840,442.92 = 2,427,586,565.92 : x - Step 2: Convert to fraction form
3,854,418,523.61/5,320,840,442.92 = 2,427,586,565.92/x - Step 3: Cross multiply
3,854,418,523.61x = 5,320,840,442.92 × 2,427,586,565.92 - Step 4: Simplify right side
3,854,418,523.61x = 12,916,800,778,617,042,944 - Step 5: Solve for x
x = 12,916,800,778,617,042,944/3,854,418,523.61 - Step 6: Final answer
x = 3,351,167,160.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.