Home / 373,455,919.20-559,805,965.20-220,022,997.60

Finding the Fourth Proportional to 373,455,919.20, 559,805,965.20 and 220,022,997.60

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Solution

The fourth proportional to 373,455,919.20, 559,805,965.20 and 220,022,997.60 is: 329,811,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,455,919.20 : 559,805,965.20 = 220,022,997.60 : x
  2. Step 2: Convert to fraction form
    373,455,919.20/559,805,965.20 = 220,022,997.60/x
  3. Step 3: Cross multiply
    373,455,919.20x = 559,805,965.20 × 220,022,997.60
  4. Step 4: Simplify right side
    373,455,919.20x = 123,170,186,537,665,296
  5. Step 5: Solve for x
    x = 123,170,186,537,665,296/373,455,919.20
  6. Step 6: Final answer
    x = 329,811,847.14

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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.