Home / 381,986,593.02-572,979,174.12-119,691,223.62

Finding the Fourth Proportional to 381,986,593.02, 572,979,174.12 and 119,691,223.62

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Solution

The fourth proportional to 381,986,593.02, 572,979,174.12 and 119,691,223.62 is: 179,536,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,593.02 : 572,979,174.12 = 119,691,223.62 : x
  2. Step 2: Convert to fraction form
    381,986,593.02/572,979,174.12 = 119,691,223.62/x
  3. Step 3: Cross multiply
    381,986,593.02x = 572,979,174.12 × 119,691,223.62
  4. Step 4: Simplify right side
    381,986,593.02x = 68,580,578,459,199,840
  5. Step 5: Solve for x
    x = 68,580,578,459,199,840/381,986,593.02
  6. Step 6: Final answer
    x = 179,536,611.26

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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.