Finding the Fourth Proportional to 327,294,912.13, 451,676,554.36 and 178,625,568.74
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Solution
The fourth proportional to 327,294,912.13, 451,676,554.36 and 178,625,568.74 is: 246,508,510.88
Step by Step Solution
- Step 1: Write the proportion equation
327,294,912.13 : 451,676,554.36 = 178,625,568.74 : x - Step 2: Convert to fraction form
327,294,912.13/451,676,554.36 = 178,625,568.74/x - Step 3: Cross multiply
327,294,912.13x = 451,676,554.36 × 178,625,568.74 - Step 4: Simplify right side
327,294,912.13x = 80,680,981,406,370,016 - Step 5: Solve for x
x = 80,680,981,406,370,016/327,294,912.13 - Step 6: Final answer
x = 246,508,510.88
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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.