Home / 415,981,561.68-574,047,540.72-230,338,591.20

Finding the Fourth Proportional to 415,981,561.68, 574,047,540.72 and 230,338,591.20

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Solution

The fourth proportional to 415,981,561.68, 574,047,540.72 and 230,338,591.20 is: 317,863,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,981,561.68 : 574,047,540.72 = 230,338,591.20 : x
  2. Step 2: Convert to fraction form
    415,981,561.68/574,047,540.72 = 230,338,591.20/x
  3. Step 3: Cross multiply
    415,981,561.68x = 574,047,540.72 × 230,338,591.20
  4. Step 4: Simplify right side
    415,981,561.68x = 132,225,301,811,269,440
  5. Step 5: Solve for x
    x = 132,225,301,811,269,440/415,981,561.68
  6. Step 6: Final answer
    x = 317,863,371.82

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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.