Finding the Fourth Proportional to 2,543,241,762.92, 3,815,044,247.75 and 677,877,687.39
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Solution
The fourth proportional to 2,543,241,762.92, 3,815,044,247.75 and 677,877,687.39 is: 1,016,864,935.79
Step by Step Solution
- Step 1: Write the proportion equation
2,543,241,762.92 : 3,815,044,247.75 = 677,877,687.39 : x - Step 2: Convert to fraction form
2,543,241,762.92/3,815,044,247.75 = 677,877,687.39/x - Step 3: Cross multiply
2,543,241,762.92x = 3,815,044,247.75 × 677,877,687.39 - Step 4: Simplify right side
2,543,241,762.92x = 2,586,133,371,951,902,720 - Step 5: Solve for x
x = 2,586,133,371,951,902,720/2,543,241,762.92 - Step 6: Final answer
x = 1,016,864,935.79
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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.