Home / 321,857,255.07-444,320,472.11-215,972,786.25

Finding the Fourth Proportional to 321,857,255.07, 444,320,472.11 and 215,972,786.25

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Solution

The fourth proportional to 321,857,255.07, 444,320,472.11 and 215,972,786.25 is: 298,148,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,857,255.07 : 444,320,472.11 = 215,972,786.25 : x
  2. Step 2: Convert to fraction form
    321,857,255.07/444,320,472.11 = 215,972,786.25/x
  3. Step 3: Cross multiply
    321,857,255.07x = 444,320,472.11 × 215,972,786.25
  4. Step 4: Simplify right side
    321,857,255.07x = 95,961,130,348,432,256
  5. Step 5: Solve for x
    x = 95,961,130,348,432,256/321,857,255.07
  6. Step 6: Final answer
    x = 298,148,103.97

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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.