Finding the Fourth Proportional to 944,784,865.60, 1,417,177,298.40 and 331,431,092.80
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Solution
The fourth proportional to 944,784,865.60, 1,417,177,298.40 and 331,431,092.80 is: 497,146,639.20
Step by Step Solution
- Step 1: Write the proportion equation
944,784,865.60 : 1,417,177,298.40 = 331,431,092.80 : x - Step 2: Convert to fraction form
944,784,865.60/1,417,177,298.40 = 331,431,092.80/x - Step 3: Cross multiply
944,784,865.60x = 1,417,177,298.40 × 331,431,092.80 - Step 4: Simplify right side
944,784,865.60x = 469,696,620,700,063,744 - Step 5: Solve for x
x = 469,696,620,700,063,744/944,784,865.60 - Step 6: Final answer
x = 497,146,639.20
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Similar ratio
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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.