Home / 327,403,919.40-491,105,879.10-155,217,035.40

Finding the Fourth Proportional to 327,403,919.40, 491,105,879.10 and 155,217,035.40

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Solution

The fourth proportional to 327,403,919.40, 491,105,879.10 and 155,217,035.40 is: 232,825,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,403,919.40 : 491,105,879.10 = 155,217,035.40 : x
  2. Step 2: Convert to fraction form
    327,403,919.40/491,105,879.10 = 155,217,035.40/x
  3. Step 3: Cross multiply
    327,403,919.40x = 491,105,879.10 × 155,217,035.40
  4. Step 4: Simplify right side
    327,403,919.40x = 76,227,998,621,412,832
  5. Step 5: Solve for x
    x = 76,227,998,621,412,832/327,403,919.40
  6. Step 6: Final answer
    x = 232,825,553.10

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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.