Finding the Fourth Proportional to 5,029,378,167.68, 6,940,908,698.04 and 2,915,379,877.76
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Solution
The fourth proportional to 5,029,378,167.68, 6,940,908,698.04 and 2,915,379,877.76 is: 4,023,436,869.73
Step by Step Solution
- Step 1: Write the proportion equation
5,029,378,167.68 : 6,940,908,698.04 = 2,915,379,877.76 : x - Step 2: Convert to fraction form
5,029,378,167.68/6,940,908,698.04 = 2,915,379,877.76/x - Step 3: Cross multiply
5,029,378,167.68x = 6,940,908,698.04 × 2,915,379,877.76 - Step 4: Simplify right side
5,029,378,167.68x = 20,235,385,551,635,177,472 - Step 5: Solve for x
x = 20,235,385,551,635,177,472/5,029,378,167.68 - Step 6: Final answer
x = 4,023,436,869.73
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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.