Finding the Fourth Proportional to 944,785,204.60, 1,417,177,806.90 and 331,431,431.80
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Solution
The fourth proportional to 944,785,204.60, 1,417,177,806.90 and 331,431,431.80 is: 497,147,147.70
Step by Step Solution
- Step 1: Write the proportion equation
944,785,204.60 : 1,417,177,806.90 = 331,431,431.80 : x - Step 2: Convert to fraction form
944,785,204.60/1,417,177,806.90 = 331,431,431.80/x - Step 3: Cross multiply
944,785,204.60x = 1,417,177,806.90 × 331,431,431.80 - Step 4: Simplify right side
944,785,204.60x = 469,697,269,656,050,944 - Step 5: Solve for x
x = 469,697,269,656,050,944/944,785,204.60 - Step 6: Final answer
x = 497,147,147.70
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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.