Home / 378,902,029.70-568,353,044.55-256,458,023.30

Finding the Fourth Proportional to 378,902,029.70, 568,353,044.55 and 256,458,023.30

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Solution

The fourth proportional to 378,902,029.70, 568,353,044.55 and 256,458,023.30 is: 384,687,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,902,029.70 : 568,353,044.55 = 256,458,023.30 : x
  2. Step 2: Convert to fraction form
    378,902,029.70/568,353,044.55 = 256,458,023.30/x
  3. Step 3: Cross multiply
    378,902,029.70x = 568,353,044.55 × 256,458,023.30
  4. Step 4: Simplify right side
    378,902,029.70x = 145,758,698,341,829,824
  5. Step 5: Solve for x
    x = 145,758,698,341,829,824/378,902,029.70
  6. Step 6: Final answer
    x = 384,687,034.95

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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.