Home / 331,777,138.70-497,665,708.05-324,699,250.70

Finding the Fourth Proportional to 331,777,138.70, 497,665,708.05 and 324,699,250.70

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Solution

The fourth proportional to 331,777,138.70, 497,665,708.05 and 324,699,250.70 is: 487,048,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,138.70 : 497,665,708.05 = 324,699,250.70 : x
  2. Step 2: Convert to fraction form
    331,777,138.70/497,665,708.05 = 324,699,250.70/x
  3. Step 3: Cross multiply
    331,777,138.70x = 497,665,708.05 × 324,699,250.70
  4. Step 4: Simplify right side
    331,777,138.70x = 161,591,682,502,919,968
  5. Step 5: Solve for x
    x = 161,591,682,502,919,968/331,777,138.70
  6. Step 6: Final answer
    x = 487,048,876.05

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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.