Finding the Fourth Proportional to 5,391,344,072.38, 8,087,885,099.96 and 1,660,633,728.79
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Solution
The fourth proportional to 5,391,344,072.38, 8,087,885,099.96 and 1,660,633,728.79 is: 2,491,218,258.61
Step by Step Solution
- Step 1: Write the proportion equation
5,391,344,072.38 : 8,087,885,099.96 = 1,660,633,728.79 : x - Step 2: Convert to fraction form
5,391,344,072.38/8,087,885,099.96 = 1,660,633,728.79/x - Step 3: Cross multiply
5,391,344,072.38x = 8,087,885,099.96 × 1,660,633,728.79 - Step 4: Simplify right side
5,391,344,072.38x = 13,431,014,791,567,505,408 - Step 5: Solve for x
x = 13,431,014,791,567,505,408/5,391,344,072.38 - Step 6: Final answer
x = 2,491,218,258.61
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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.