Home / 485,568,159.30-726,840,584.55-470,451,615.30

Finding the Fourth Proportional to 485,568,159.30, 726,840,584.55 and 470,451,615.30

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Solution

The fourth proportional to 485,568,159.30, 726,840,584.55 and 470,451,615.30 is: 704,212,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,568,159.30 : 726,840,584.55 = 470,451,615.30 : x
  2. Step 2: Convert to fraction form
    485,568,159.30/726,840,584.55 = 470,451,615.30/x
  3. Step 3: Cross multiply
    485,568,159.30x = 726,840,584.55 × 470,451,615.30
  4. Step 4: Simplify right side
    485,568,159.30x = 341,943,327,067,143,680
  5. Step 5: Solve for x
    x = 341,943,327,067,143,680/485,568,159.30
  6. Step 6: Final answer
    x = 704,212,828.86

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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.