Home / 488,396,966.20-732,595,449.30-294,686,721.70

Finding the Fourth Proportional to 488,396,966.20, 732,595,449.30 and 294,686,721.70

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Solution

The fourth proportional to 488,396,966.20, 732,595,449.30 and 294,686,721.70 is: 442,030,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,396,966.20 : 732,595,449.30 = 294,686,721.70 : x
  2. Step 2: Convert to fraction form
    488,396,966.20/732,595,449.30 = 294,686,721.70/x
  3. Step 3: Cross multiply
    488,396,966.20x = 732,595,449.30 × 294,686,721.70
  4. Step 4: Simplify right side
    488,396,966.20x = 215,886,151,286,555,552
  5. Step 5: Solve for x
    x = 215,886,151,286,555,552/488,396,966.20
  6. Step 6: Final answer
    x = 442,030,082.55

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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.