Home / 465,181,321.95-641,954,529.54-256,344,938.19

Finding the Fourth Proportional to 465,181,321.95, 641,954,529.54 and 256,344,938.19

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Solution

The fourth proportional to 465,181,321.95, 641,954,529.54 and 256,344,938.19 is: 353,758,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,321.95 : 641,954,529.54 = 256,344,938.19 : x
  2. Step 2: Convert to fraction form
    465,181,321.95/641,954,529.54 = 256,344,938.19/x
  3. Step 3: Cross multiply
    465,181,321.95x = 641,954,529.54 × 256,344,938.19
  4. Step 4: Simplify right side
    465,181,321.95x = 164,561,794,195,721,824
  5. Step 5: Solve for x
    x = 164,561,794,195,721,824/465,181,321.95
  6. Step 6: Final answer
    x = 353,758,387.17

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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.