Home / 465,181,175.48-641,954,326.86-256,344,791.31

Finding the Fourth Proportional to 465,181,175.48, 641,954,326.86 and 256,344,791.31

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Solution

The fourth proportional to 465,181,175.48, 641,954,326.86 and 256,344,791.31 is: 353,758,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,175.48 : 641,954,326.86 = 256,344,791.31 : x
  2. Step 2: Convert to fraction form
    465,181,175.48/641,954,326.86 = 256,344,791.31/x
  3. Step 3: Cross multiply
    465,181,175.48x = 641,954,326.86 × 256,344,791.31
  4. Step 4: Simplify right side
    465,181,175.48x = 164,561,647,949,478,240
  5. Step 5: Solve for x
    x = 164,561,647,949,478,240/465,181,175.48
  6. Step 6: Final answer
    x = 353,758,184.18

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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.