Home / 363,399,042.10-501,488,127.18-198,386,611.60

Finding the Fourth Proportional to 363,399,042.10, 501,488,127.18 and 198,386,611.60

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Solution

The fourth proportional to 363,399,042.10, 501,488,127.18 and 198,386,611.60 is: 273,772,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,042.10 : 501,488,127.18 = 198,386,611.60 : x
  2. Step 2: Convert to fraction form
    363,399,042.10/501,488,127.18 = 198,386,611.60/x
  3. Step 3: Cross multiply
    363,399,042.10x = 501,488,127.18 × 198,386,611.60
  4. Step 4: Simplify right side
    363,399,042.10x = 99,488,530,310,807,504
  5. Step 5: Solve for x
    x = 99,488,530,310,807,504/363,399,042.10
  6. Step 6: Final answer
    x = 273,772,131.42

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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.