Home / 331,777,131.20-497,665,696.80-324,699,243.20

Finding the Fourth Proportional to 331,777,131.20, 497,665,696.80 and 324,699,243.20

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Solution

The fourth proportional to 331,777,131.20, 497,665,696.80 and 324,699,243.20 is: 487,048,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,131.20 : 497,665,696.80 = 324,699,243.20 : x
  2. Step 2: Convert to fraction form
    331,777,131.20/497,665,696.80 = 324,699,243.20/x
  3. Step 3: Cross multiply
    331,777,131.20x = 497,665,696.80 × 324,699,243.20
  4. Step 4: Simplify right side
    331,777,131.20x = 161,591,675,117,560,672
  5. Step 5: Solve for x
    x = 161,591,675,117,560,672/331,777,131.20
  6. Step 6: Final answer
    x = 487,048,864.80

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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.