Home / 411,829,104.72-568,322,223.66-223,656,081.78

Finding the Fourth Proportional to 411,829,104.72, 568,322,223.66 and 223,656,081.78

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Solution

The fourth proportional to 411,829,104.72, 568,322,223.66 and 223,656,081.78 is: 308,644,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,829,104.72 : 568,322,223.66 = 223,656,081.78 : x
  2. Step 2: Convert to fraction form
    411,829,104.72/568,322,223.66 = 223,656,081.78/x
  3. Step 3: Cross multiply
    411,829,104.72x = 568,322,223.66 × 223,656,081.78
  4. Step 4: Simplify right side
    411,829,104.72x = 127,108,721,732,292,400
  5. Step 5: Solve for x
    x = 127,108,721,732,292,400/411,829,104.72
  6. Step 6: Final answer
    x = 308,644,338.82

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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.