Home / 319,231,441.92-440,544,291.84-187,040,802.72

Finding the Fourth Proportional to 319,231,441.92, 440,544,291.84 and 187,040,802.72

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Solution

The fourth proportional to 319,231,441.92, 440,544,291.84 and 187,040,802.72 is: 258,119,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,231,441.92 : 440,544,291.84 = 187,040,802.72 : x
  2. Step 2: Convert to fraction form
    319,231,441.92/440,544,291.84 = 187,040,802.72/x
  3. Step 3: Cross multiply
    319,231,441.92x = 440,544,291.84 × 187,040,802.72
  4. Step 4: Simplify right side
    319,231,441.92x = 82,399,757,979,467,536
  5. Step 5: Solve for x
    x = 82,399,757,979,467,536/319,231,441.92
  6. Step 6: Final answer
    x = 258,119,179.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.