Home / 331,777,128.20-497,665,692.30-324,699,240.20

Finding the Fourth Proportional to 331,777,128.20, 497,665,692.30 and 324,699,240.20

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Solution

The fourth proportional to 331,777,128.20, 497,665,692.30 and 324,699,240.20 is: 487,048,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,128.20 : 497,665,692.30 = 324,699,240.20 : x
  2. Step 2: Convert to fraction form
    331,777,128.20/497,665,692.30 = 324,699,240.20/x
  3. Step 3: Cross multiply
    331,777,128.20x = 497,665,692.30 × 324,699,240.20
  4. Step 4: Simplify right side
    331,777,128.20x = 161,591,672,163,416,992
  5. Step 5: Solve for x
    x = 161,591,672,163,416,992/331,777,128.20
  6. Step 6: Final answer
    x = 487,048,860.30

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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.