Home / 20,329,614,259.48-28,055,548,144.92-11,297,753,042.80

Finding the Fourth Proportional to 20,329,614,259.48, 28,055,548,144.92 and 11,297,753,042.80

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Solution

The fourth proportional to 20,329,614,259.48, 28,055,548,144.92 and 11,297,753,042.80 is: 15,591,277,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329,614,259.48 : 28,055,548,144.92 = 11,297,753,042.80 : x
  2. Step 2: Convert to fraction form
    20,329,614,259.48/28,055,548,144.92 = 11,297,753,042.80/x
  3. Step 3: Cross multiply
    20,329,614,259.48x = 28,055,548,144.92 × 11,297,753,042.80
  4. Step 4: Simplify right side
    20,329,614,259.48x = 316,964,654,421,691,793,408
  5. Step 5: Solve for x
    x = 316,964,654,421,691,793,408/20,329,614,259.48
  6. Step 6: Final answer
    x = 15,591,277,354.11

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1.5x scale

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.