Home / 998,491,036.20-1,497,736,554.30-454,295,452.20

Finding the Fourth Proportional to 998,491,036.20, 1,497,736,554.30 and 454,295,452.20

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Solution

The fourth proportional to 998,491,036.20, 1,497,736,554.30 and 454,295,452.20 is: 681,443,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,491,036.20 : 1,497,736,554.30 = 454,295,452.20 : x
  2. Step 2: Convert to fraction form
    998,491,036.20/1,497,736,554.30 = 454,295,452.20/x
  3. Step 3: Cross multiply
    998,491,036.20x = 1,497,736,554.30 × 454,295,452.20
  4. Step 4: Simplify right side
    998,491,036.20x = 680,414,905,212,188,288
  5. Step 5: Solve for x
    x = 680,414,905,212,188,288/998,491,036.20
  6. Step 6: Final answer
    x = 681,443,178.30

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Double scale
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Similar ratio
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1.5x scale

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.