Finding the Fourth Proportional to 5,761,678,481.58, 7,951,124,660.67 and 3,121,479,593.58
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Solution
The fourth proportional to 5,761,678,481.58, 7,951,124,660.67 and 3,121,479,593.58 is: 4,307,646,366.18
Step by Step Solution
- Step 1: Write the proportion equation
5,761,678,481.58 : 7,951,124,660.67 = 3,121,479,593.58 : x - Step 2: Convert to fraction form
5,761,678,481.58/7,951,124,660.67 = 3,121,479,593.58/x - Step 3: Cross multiply
5,761,678,481.58x = 7,951,124,660.67 × 3,121,479,593.58 - Step 4: Simplify right side
5,761,678,481.58x = 24,819,273,374,292,107,264 - Step 5: Solve for x
x = 24,819,273,374,292,107,264/5,761,678,481.58 - Step 6: Final answer
x = 4,307,646,366.18
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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.