Home / 392,272,984.19-541,374,981.16-292,981,427.30

Finding the Fourth Proportional to 392,272,984.19, 541,374,981.16 and 292,981,427.30

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Solution

The fourth proportional to 392,272,984.19, 541,374,981.16 and 292,981,427.30 is: 404,342,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,272,984.19 : 541,374,981.16 = 292,981,427.30 : x
  2. Step 2: Convert to fraction form
    392,272,984.19/541,374,981.16 = 292,981,427.30/x
  3. Step 3: Cross multiply
    392,272,984.19x = 541,374,981.16 × 292,981,427.30
  4. Step 4: Simplify right side
    392,272,984.19x = 158,612,814,682,060,544
  5. Step 5: Solve for x
    x = 158,612,814,682,060,544/392,272,984.19
  6. Step 6: Final answer
    x = 404,342,947.58

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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.