Home / 426,396,901.20-588,429,601.56-230,826,613.20

Finding the Fourth Proportional to 426,396,901.20, 588,429,601.56 and 230,826,613.20

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Solution

The fourth proportional to 426,396,901.20, 588,429,601.56 and 230,826,613.20 is: 318,541,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,396,901.20 : 588,429,601.56 = 230,826,613.20 : x
  2. Step 2: Convert to fraction form
    426,396,901.20/588,429,601.56 = 230,826,613.20/x
  3. Step 3: Cross multiply
    426,396,901.20x = 588,429,601.56 × 230,826,613.20
  4. Step 4: Simplify right side
    426,396,901.20x = 135,825,212,034,720,224
  5. Step 5: Solve for x
    x = 135,825,212,034,720,224/426,396,901.20
  6. Step 6: Final answer
    x = 318,541,742.80

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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.