Home / 272,630,463,323.20-408,945,694,984.80-131,415,695,082.70

Finding the Fourth Proportional to 272,630,463,323.20, 408,945,694,984.80 and 131,415,695,082.70

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Solution

The fourth proportional to 272,630,463,323.20, 408,945,694,984.80 and 131,415,695,082.70 is: 197,123,542,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,323.20 : 408,945,694,984.80 = 131,415,695,082.70 : x
  2. Step 2: Convert to fraction form
    272,630,463,323.20/408,945,694,984.80 = 131,415,695,082.70/x
  3. Step 3: Cross multiply
    272,630,463,323.20x = 408,945,694,984.80 × 131,415,695,082.70
  4. Step 4: Simplify right side
    272,630,463,323.20x = 53,741,882,757,505,311,834,112
  5. Step 5: Solve for x
    x = 53,741,882,757,505,311,834,112/272,630,463,323.20
  6. Step 6: Final answer
    x = 197,123,542,624.05

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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.