Home / 347,753,728.80-521,630,593.20-156,650,752.80

Finding the Fourth Proportional to 347,753,728.80, 521,630,593.20 and 156,650,752.80

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Solution

The fourth proportional to 347,753,728.80, 521,630,593.20 and 156,650,752.80 is: 234,976,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,728.80 : 521,630,593.20 = 156,650,752.80 : x
  2. Step 2: Convert to fraction form
    347,753,728.80/521,630,593.20 = 156,650,752.80/x
  3. Step 3: Cross multiply
    347,753,728.80x = 521,630,593.20 × 156,650,752.80
  4. Step 4: Simplify right side
    347,753,728.80x = 81,713,825,108,290,560
  5. Step 5: Solve for x
    x = 81,713,825,108,290,560/347,753,728.80
  6. Step 6: Final answer
    x = 234,976,129.20

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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.