Home / 363,399,106.92-501,488,216.35-198,386,676.42

Finding the Fourth Proportional to 363,399,106.92, 501,488,216.35 and 198,386,676.42

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Solution

The fourth proportional to 363,399,106.92, 501,488,216.35 and 198,386,676.42 is: 273,772,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,106.92 : 501,488,216.35 = 198,386,676.42 : x
  2. Step 2: Convert to fraction form
    363,399,106.92/501,488,216.35 = 198,386,676.42/x
  3. Step 3: Cross multiply
    363,399,106.92x = 501,488,216.35 × 198,386,676.42
  4. Step 4: Simplify right side
    363,399,106.92x = 99,488,580,505,470,400
  5. Step 5: Solve for x
    x = 99,488,580,505,470,400/363,399,106.92
  6. Step 6: Final answer
    x = 273,772,220.71

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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.