Home / 407,659,438.05-562,576,496.36-231,443,837.61

Finding the Fourth Proportional to 407,659,438.05, 562,576,496.36 and 231,443,837.61

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Solution

The fourth proportional to 407,659,438.05, 562,576,496.36 and 231,443,837.61 is: 319,396,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,659,438.05 : 562,576,496.36 = 231,443,837.61 : x
  2. Step 2: Convert to fraction form
    407,659,438.05/562,576,496.36 = 231,443,837.61/x
  3. Step 3: Cross multiply
    407,659,438.05x = 562,576,496.36 × 231,443,837.61
  4. Step 4: Simplify right side
    407,659,438.05x = 130,204,863,265,589,392
  5. Step 5: Solve for x
    x = 130,204,863,265,589,392/407,659,438.05
  6. Step 6: Final answer
    x = 319,396,170.22

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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.