Finding the Fourth Proportional to 3,781,541,322.12, 5,219,397,737.46 and 2,217,482,902.92
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Solution
The fourth proportional to 3,781,541,322.12, 5,219,397,737.46 and 2,217,482,902.92 is: 3,060,636,989.12
Step by Step Solution
- Step 1: Write the proportion equation
3,781,541,322.12 : 5,219,397,737.46 = 2,217,482,902.92 : x - Step 2: Convert to fraction form
3,781,541,322.12/5,219,397,737.46 = 2,217,482,902.92/x - Step 3: Cross multiply
3,781,541,322.12x = 5,219,397,737.46 × 2,217,482,902.92 - Step 4: Simplify right side
3,781,541,322.12x = 11,573,925,246,356,881,408 - Step 5: Solve for x
x = 11,573,925,246,356,881,408/3,781,541,322.12 - Step 6: Final answer
x = 3,060,636,989.12
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1.5x scale
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.