Home / 503,197,977.52-694,404,918.42-294,389,494.21

Finding the Fourth Proportional to 503,197,977.52, 694,404,918.42 and 294,389,494.21

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Solution

The fourth proportional to 503,197,977.52, 694,404,918.42 and 294,389,494.21 is: 406,252,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,197,977.52 : 694,404,918.42 = 294,389,494.21 : x
  2. Step 2: Convert to fraction form
    503,197,977.52/694,404,918.42 = 294,389,494.21/x
  3. Step 3: Cross multiply
    503,197,977.52x = 694,404,918.42 × 294,389,494.21
  4. Step 4: Simplify right side
    503,197,977.52x = 204,425,512,706,454,656
  5. Step 5: Solve for x
    x = 204,425,512,706,454,656/503,197,977.52
  6. Step 6: Final answer
    x = 406,252,651.72

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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.