Finding the Fourth Proportional to 2,543,241,764.10, 3,815,044,249.50 and 677,877,688.53
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Solution
The fourth proportional to 2,543,241,764.10, 3,815,044,249.50 and 677,877,688.53 is: 1,016,864,937.50
Step by Step Solution
- Step 1: Write the proportion equation
2,543,241,764.10 : 3,815,044,249.50 = 677,877,688.53 : x - Step 2: Convert to fraction form
2,543,241,764.10/3,815,044,249.50 = 677,877,688.53/x - Step 3: Cross multiply
2,543,241,764.10x = 3,815,044,249.50 × 677,877,688.53 - Step 4: Simplify right side
2,543,241,764.10x = 2,586,133,377,490,728,448 - Step 5: Solve for x
x = 2,586,133,377,490,728,448/2,543,241,764.10 - Step 6: Final answer
x = 1,016,864,937.50
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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.