Home / 394,895,233.20-592,342,849.80-280,103,977.20

Finding the Fourth Proportional to 394,895,233.20, 592,342,849.80 and 280,103,977.20

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Solution

The fourth proportional to 394,895,233.20, 592,342,849.80 and 280,103,977.20 is: 420,155,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,895,233.20 : 592,342,849.80 = 280,103,977.20 : x
  2. Step 2: Convert to fraction form
    394,895,233.20/592,342,849.80 = 280,103,977.20/x
  3. Step 3: Cross multiply
    394,895,233.20x = 592,342,849.80 × 280,103,977.20
  4. Step 4: Simplify right side
    394,895,233.20x = 165,917,588,094,962,208
  5. Step 5: Solve for x
    x = 165,917,588,094,962,208/394,895,233.20
  6. Step 6: Final answer
    x = 420,155,965.80

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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.