Home / 272,630,463,748.70-408,945,695,623.05-131,415,695,508.20

Finding the Fourth Proportional to 272,630,463,748.70, 408,945,695,623.05 and 131,415,695,508.20

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Solution

The fourth proportional to 272,630,463,748.70, 408,945,695,623.05 and 131,415,695,508.20 is: 197,123,543,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,748.70 : 408,945,695,623.05 = 131,415,695,508.20 : x
  2. Step 2: Convert to fraction form
    272,630,463,748.70/408,945,695,623.05 = 131,415,695,508.20/x
  3. Step 3: Cross multiply
    272,630,463,748.70x = 408,945,695,623.05 × 131,415,695,508.20
  4. Step 4: Simplify right side
    272,630,463,748.70x = 53,741,883,015,387,773,140,992
  5. Step 5: Solve for x
    x = 53,741,883,015,387,773,140,992/272,630,463,748.70
  6. Step 6: Final answer
    x = 197,123,543,262.30

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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.