Home / 461,353,002.87-636,598,655.46-280,205,718.68

Finding the Fourth Proportional to 461,353,002.87, 636,598,655.46 and 280,205,718.68

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Solution

The fourth proportional to 461,353,002.87, 636,598,655.46 and 280,205,718.68 is: 386,642,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,353,002.87 : 636,598,655.46 = 280,205,718.68 : x
  2. Step 2: Convert to fraction form
    461,353,002.87/636,598,655.46 = 280,205,718.68/x
  3. Step 3: Cross multiply
    461,353,002.87x = 636,598,655.46 × 280,205,718.68
  4. Step 4: Simplify right side
    461,353,002.87x = 178,378,583,760,708,032
  5. Step 5: Solve for x
    x = 178,378,583,760,708,032/461,353,002.87
  6. Step 6: Final answer
    x = 386,642,294.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.