Home / 363,399,109.08-501,488,219.40-198,386,678.58

Finding the Fourth Proportional to 363,399,109.08, 501,488,219.40 and 198,386,678.58

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Solution

The fourth proportional to 363,399,109.08, 501,488,219.40 and 198,386,678.58 is: 273,772,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,109.08 : 501,488,219.40 = 198,386,678.58 : x
  2. Step 2: Convert to fraction form
    363,399,109.08/501,488,219.40 = 198,386,678.58/x
  3. Step 3: Cross multiply
    363,399,109.08x = 501,488,219.40 × 198,386,678.58
  4. Step 4: Simplify right side
    363,399,109.08x = 99,488,582,193,764,320
  5. Step 5: Solve for x
    x = 99,488,582,193,764,320/363,399,109.08
  6. Step 6: Final answer
    x = 273,772,223.73

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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.