Home / 392,579,792.22-541,781,418.39-225,314,716.17

Finding the Fourth Proportional to 392,579,792.22, 541,781,418.39 and 225,314,716.17

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Solution

The fourth proportional to 392,579,792.22, 541,781,418.39 and 225,314,716.17 is: 310,946,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,579,792.22 : 541,781,418.39 = 225,314,716.17 : x
  2. Step 2: Convert to fraction form
    392,579,792.22/541,781,418.39 = 225,314,716.17/x
  3. Step 3: Cross multiply
    392,579,792.22x = 541,781,418.39 × 225,314,716.17
  4. Step 4: Simplify right side
    392,579,792.22x = 122,071,326,510,722,864
  5. Step 5: Solve for x
    x = 122,071,326,510,722,864/392,579,792.22
  6. Step 6: Final answer
    x = 310,946,536.04

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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.