Home / 380,105,796.86-524,545,999.62-206,265,540.86

Finding the Fourth Proportional to 380,105,796.86, 524,545,999.62 and 206,265,540.86

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Solution

The fourth proportional to 380,105,796.86, 524,545,999.62 and 206,265,540.86 is: 284,646,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,105,796.86 : 524,545,999.62 = 206,265,540.86 : x
  2. Step 2: Convert to fraction form
    380,105,796.86/524,545,999.62 = 206,265,540.86/x
  3. Step 3: Cross multiply
    380,105,796.86x = 524,545,999.62 × 206,265,540.86
  4. Step 4: Simplify right side
    380,105,796.86x = 108,195,764,317,568,656
  5. Step 5: Solve for x
    x = 108,195,764,317,568,656/380,105,796.86
  6. Step 6: Final answer
    x = 284,646,446.36

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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.