Home / 765,408,772.92-1,148,280,601.57-247,891,527.12

Finding the Fourth Proportional to 765,408,772.92, 1,148,280,601.57 and 247,891,527.12

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Solution

The fourth proportional to 765,408,772.92, 1,148,280,601.57 and 247,891,527.12 is: 371,891,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,408,772.92 : 1,148,280,601.57 = 247,891,527.12 : x
  2. Step 2: Convert to fraction form
    765,408,772.92/1,148,280,601.57 = 247,891,527.12/x
  3. Step 3: Cross multiply
    765,408,772.92x = 1,148,280,601.57 × 247,891,527.12
  4. Step 4: Simplify right side
    765,408,772.92x = 284,649,031,890,534,112
  5. Step 5: Solve for x
    x = 284,649,031,890,534,112/765,408,772.92
  6. Step 6: Final answer
    x = 371,891,519.88

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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.