Finding the Fourth Proportional to 2,730,121,432.58, 3,770,169,618.33 and 2,581,386,157.82
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Solution
The fourth proportional to 2,730,121,432.58, 3,770,169,618.33 and 2,581,386,157.82 is: 3,564,773,181.60
Step by Step Solution
- Step 1: Write the proportion equation
2,730,121,432.58 : 3,770,169,618.33 = 2,581,386,157.82 : x - Step 2: Convert to fraction form
2,730,121,432.58/3,770,169,618.33 = 2,581,386,157.82/x - Step 3: Cross multiply
2,730,121,432.58x = 3,770,169,618.33 × 2,581,386,157.82 - Step 4: Simplify right side
2,730,121,432.58x = 9,732,263,665,363,023,872 - Step 5: Solve for x
x = 9,732,263,665,363,023,872/2,730,121,432.58 - Step 6: Final answer
x = 3,564,773,181.60
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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.