Home / 439,150,021.57-606,023,442.85-238,206,392.92

Finding the Fourth Proportional to 439,150,021.57, 606,023,442.85 and 238,206,392.92

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Solution

The fourth proportional to 439,150,021.57, 606,023,442.85 and 238,206,392.92 is: 328,722,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,150,021.57 : 606,023,442.85 = 238,206,392.92 : x
  2. Step 2: Convert to fraction form
    439,150,021.57/606,023,442.85 = 238,206,392.92/x
  3. Step 3: Cross multiply
    439,150,021.57x = 606,023,442.85 × 238,206,392.92
  4. Step 4: Simplify right side
    439,150,021.57x = 144,358,658,346,258,272
  5. Step 5: Solve for x
    x = 144,358,658,346,258,272/439,150,021.57
  6. Step 6: Final answer
    x = 328,722,876.59

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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.