Home / 998,491,275.20-1,497,736,912.80-454,295,691.20

Finding the Fourth Proportional to 998,491,275.20, 1,497,736,912.80 and 454,295,691.20

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Solution

The fourth proportional to 998,491,275.20, 1,497,736,912.80 and 454,295,691.20 is: 681,443,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,491,275.20 : 1,497,736,912.80 = 454,295,691.20 : x
  2. Step 2: Convert to fraction form
    998,491,275.20/1,497,736,912.80 = 454,295,691.20/x
  3. Step 3: Cross multiply
    998,491,275.20x = 1,497,736,912.80 × 454,295,691.20
  4. Step 4: Simplify right side
    998,491,275.20x = 680,415,426,036,230,144
  5. Step 5: Solve for x
    x = 680,415,426,036,230,144/998,491,275.20
  6. Step 6: Final answer
    x = 681,443,536.80

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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.