Finding the Fourth Proportional to 2,491,530,641.19, 3,737,667,580.94 and 917,516,921.44
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Solution
The fourth proportional to 2,491,530,641.19, 3,737,667,580.94 and 917,516,921.44 is: 1,376,412,232.52
Step by Step Solution
- Step 1: Write the proportion equation
2,491,530,641.19 : 3,737,667,580.94 = 917,516,921.44 : x - Step 2: Convert to fraction form
2,491,530,641.19/3,737,667,580.94 = 917,516,921.44/x - Step 3: Cross multiply
2,491,530,641.19x = 3,737,667,580.94 × 917,516,921.44 - Step 4: Simplify right side
2,491,530,641.19x = 3,429,373,252,225,573,376 - Step 5: Solve for x
x = 3,429,373,252,225,573,376/2,491,530,641.19 - Step 6: Final answer
x = 1,376,412,232.52
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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.