Home / 319,115,556.30-478,673,334.45-264,695,997.90

Finding the Fourth Proportional to 319,115,556.30, 478,673,334.45 and 264,695,997.90

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Solution

The fourth proportional to 319,115,556.30, 478,673,334.45 and 264,695,997.90 is: 397,043,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,115,556.30 : 478,673,334.45 = 264,695,997.90 : x
  2. Step 2: Convert to fraction form
    319,115,556.30/478,673,334.45 = 264,695,997.90/x
  3. Step 3: Cross multiply
    319,115,556.30x = 478,673,334.45 × 264,695,997.90
  4. Step 4: Simplify right side
    319,115,556.30x = 126,702,915,930,363,200
  5. Step 5: Solve for x
    x = 126,702,915,930,363,200/319,115,556.30
  6. Step 6: Final answer
    x = 397,043,996.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.