Home / 568,138,997.32-852,454,004.52-305,516,593.36

Finding the Fourth Proportional to 568,138,997.32, 852,454,004.52 and 305,516,593.36

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Solution

The fourth proportional to 568,138,997.32, 852,454,004.52 and 305,516,593.36 is: 458,406,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,138,997.32 : 852,454,004.52 = 305,516,593.36 : x
  2. Step 2: Convert to fraction form
    568,138,997.32/852,454,004.52 = 305,516,593.36/x
  3. Step 3: Cross multiply
    568,138,997.32x = 852,454,004.52 × 305,516,593.36
  4. Step 4: Simplify right side
    568,138,997.32x = 260,438,843,457,040,448
  5. Step 5: Solve for x
    x = 260,438,843,457,040,448/568,138,997.32
  6. Step 6: Final answer
    x = 458,406,912.19

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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.