Home / 396,390,198.28-594,591,276.84-137,613,638.74

Finding the Fourth Proportional to 396,390,198.28, 594,591,276.84 and 137,613,638.74

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Solution

The fourth proportional to 396,390,198.28, 594,591,276.84 and 137,613,638.74 is: 206,422,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,390,198.28 : 594,591,276.84 = 137,613,638.74 : x
  2. Step 2: Convert to fraction form
    396,390,198.28/594,591,276.84 = 137,613,638.74/x
  3. Step 3: Cross multiply
    396,390,198.28x = 594,591,276.84 × 137,613,638.74
  4. Step 4: Simplify right side
    396,390,198.28x = 81,823,869,169,015,104
  5. Step 5: Solve for x
    x = 81,823,869,169,015,104/396,390,198.28
  6. Step 6: Final answer
    x = 206,422,533.97

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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.