Home / 458,198,192.78-632,446,748.64-299,452,196.20

Finding the Fourth Proportional to 458,198,192.78, 632,446,748.64 and 299,452,196.20

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Solution

The fourth proportional to 458,198,192.78, 632,446,748.64 and 299,452,196.20 is: 413,331,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,198,192.78 : 632,446,748.64 = 299,452,196.20 : x
  2. Step 2: Convert to fraction form
    458,198,192.78/632,446,748.64 = 299,452,196.20/x
  3. Step 3: Cross multiply
    458,198,192.78x = 632,446,748.64 × 299,452,196.20
  4. Step 4: Simplify right side
    458,198,192.78x = 189,387,567,859,797,344
  5. Step 5: Solve for x
    x = 189,387,567,859,797,344/458,198,192.78
  6. Step 6: Final answer
    x = 413,331,110.52

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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.