Home / 465,520,837.61-697,491,065.36-280,900,399.34

Finding the Fourth Proportional to 465,520,837.61, 697,491,065.36 and 280,900,399.34

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Solution

The fourth proportional to 465,520,837.61, 697,491,065.36 and 280,900,399.34 is: 420,873,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,520,837.61 : 697,491,065.36 = 280,900,399.34 : x
  2. Step 2: Convert to fraction form
    465,520,837.61/697,491,065.36 = 280,900,399.34/x
  3. Step 3: Cross multiply
    465,520,837.61x = 697,491,065.36 × 280,900,399.34
  4. Step 4: Simplify right side
    465,520,837.61x = 195,925,518,792,920,800
  5. Step 5: Solve for x
    x = 195,925,518,792,920,800/465,520,837.61
  6. Step 6: Final answer
    x = 420,873,789.03

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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.