Home / 415,981,421.32-574,047,347.88-230,338,451.20

Finding the Fourth Proportional to 415,981,421.32, 574,047,347.88 and 230,338,451.20

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Solution

The fourth proportional to 415,981,421.32, 574,047,347.88 and 230,338,451.20 is: 317,863,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,981,421.32 : 574,047,347.88 = 230,338,451.20 : x
  2. Step 2: Convert to fraction form
    415,981,421.32/574,047,347.88 = 230,338,451.20/x
  3. Step 3: Cross multiply
    415,981,421.32x = 574,047,347.88 × 230,338,451.20
  4. Step 4: Simplify right side
    415,981,421.32x = 132,225,177,026,146,800
  5. Step 5: Solve for x
    x = 132,225,177,026,146,800/415,981,421.32
  6. Step 6: Final answer
    x = 317,863,179.10

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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.