Home / 385,595,003.00-578,391,242.92-139,951,310.42

Finding the Fourth Proportional to 385,595,003.00, 578,391,242.92 and 139,951,310.42

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Solution

The fourth proportional to 385,595,003.00, 578,391,242.92 and 139,951,310.42 is: 209,926,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,595,003.00 : 578,391,242.92 = 139,951,310.42 : x
  2. Step 2: Convert to fraction form
    385,595,003.00/578,391,242.92 = 139,951,310.42/x
  3. Step 3: Cross multiply
    385,595,003.00x = 578,391,242.92 × 139,951,310.42
  4. Step 4: Simplify right side
    385,595,003.00x = 80,946,612,378,864,704
  5. Step 5: Solve for x
    x = 80,946,612,378,864,704/385,595,003.00
  6. Step 6: Final answer
    x = 209,926,507.74

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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.