Finding the Fourth Proportional to 2,644,164,098.70, 3,966,246,148.05 and 920,878,082.70
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Solution
The fourth proportional to 2,644,164,098.70, 3,966,246,148.05 and 920,878,082.70 is: 1,381,317,124.05
Step by Step Solution
- Step 1: Write the proportion equation
2,644,164,098.70 : 3,966,246,148.05 = 920,878,082.70 : x - Step 2: Convert to fraction form
2,644,164,098.70/3,966,246,148.05 = 920,878,082.70/x - Step 3: Cross multiply
2,644,164,098.70x = 3,966,246,148.05 × 920,878,082.70 - Step 4: Simplify right side
2,644,164,098.70x = 3,652,429,148,332,544,512 - Step 5: Solve for x
x = 3,652,429,148,332,544,512/2,644,164,098.70 - Step 6: Final answer
x = 1,381,317,124.05
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1.5x scale
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.