Home / 272,630,463,352.20-408,945,695,028.30-131,415,695,111.70

Finding the Fourth Proportional to 272,630,463,352.20, 408,945,695,028.30 and 131,415,695,111.70

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Solution

The fourth proportional to 272,630,463,352.20, 408,945,695,028.30 and 131,415,695,111.70 is: 197,123,542,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,352.20 : 408,945,695,028.30 = 131,415,695,111.70 : x
  2. Step 2: Convert to fraction form
    272,630,463,352.20/408,945,695,028.30 = 131,415,695,111.70/x
  3. Step 3: Cross multiply
    272,630,463,352.20x = 408,945,695,028.30 × 131,415,695,111.70
  4. Step 4: Simplify right side
    272,630,463,352.20x = 53,741,882,775,081,324,642,304
  5. Step 5: Solve for x
    x = 53,741,882,775,081,324,642,304/272,630,463,352.20
  6. Step 6: Final answer
    x = 197,123,542,667.55

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Double scale
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Similar ratio
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1.5x scale

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.