Home / 363,399,109.83-501,488,220.47-198,386,679.33

Finding the Fourth Proportional to 363,399,109.83, 501,488,220.47 and 198,386,679.33

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Solution

The fourth proportional to 363,399,109.83, 501,488,220.47 and 198,386,679.33 is: 273,772,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,109.83 : 501,488,220.47 = 198,386,679.33 : x
  2. Step 2: Convert to fraction form
    363,399,109.83/501,488,220.47 = 198,386,679.33/x
  3. Step 3: Cross multiply
    363,399,109.83x = 501,488,220.47 × 198,386,679.33
  4. Step 4: Simplify right side
    363,399,109.83x = 99,488,582,781,162,304
  5. Step 5: Solve for x
    x = 99,488,582,781,162,304/363,399,109.83
  6. Step 6: Final answer
    x = 273,772,224.78

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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.