Home / 465,521,023.86-697,491,345.15-280,900,585.50

Finding the Fourth Proportional to 465,521,023.86, 697,491,345.15 and 280,900,585.50

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Solution

The fourth proportional to 465,521,023.86, 697,491,345.15 and 280,900,585.50 is: 420,874,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,521,023.86 : 697,491,345.15 = 280,900,585.50 : x
  2. Step 2: Convert to fraction form
    465,521,023.86/697,491,345.15 = 280,900,585.50/x
  3. Step 3: Cross multiply
    465,521,023.86x = 697,491,345.15 × 280,900,585.50
  4. Step 4: Simplify right side
    465,521,023.86x = 195,925,727,233,817,568
  5. Step 5: Solve for x
    x = 195,925,727,233,817,568/465,521,023.86
  6. Step 6: Final answer
    x = 420,874,068.39

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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.