Home / 396,664,118.28-547,389,512.82-220,452,104.52

Finding the Fourth Proportional to 396,664,118.28, 547,389,512.82 and 220,452,104.52

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Solution

The fourth proportional to 396,664,118.28, 547,389,512.82 and 220,452,104.52 is: 304,220,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,664,118.28 : 547,389,512.82 = 220,452,104.52 : x
  2. Step 2: Convert to fraction form
    396,664,118.28/547,389,512.82 = 220,452,104.52/x
  3. Step 3: Cross multiply
    396,664,118.28x = 547,389,512.82 × 220,452,104.52
  4. Step 4: Simplify right side
    396,664,118.28x = 120,673,170,093,346,544
  5. Step 5: Solve for x
    x = 120,673,170,093,346,544/396,664,118.28
  6. Step 6: Final answer
    x = 304,220,030.33

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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.