Home / 252,801,250.30-378,635,005.05-207,451,618.30

Finding the Fourth Proportional to 252,801,250.30, 378,635,005.05 and 207,451,618.30

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Solution

The fourth proportional to 252,801,250.30, 378,635,005.05 and 207,451,618.30 is: 310,712,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,801,250.30 : 378,635,005.05 = 207,451,618.30 : x
  2. Step 2: Convert to fraction form
    252,801,250.30/378,635,005.05 = 207,451,618.30/x
  3. Step 3: Cross multiply
    252,801,250.30x = 378,635,005.05 × 207,451,618.30
  4. Step 4: Simplify right side
    252,801,250.30x = 78,548,444,542,651,184
  5. Step 5: Solve for x
    x = 78,548,444,542,651,184/252,801,250.30
  6. Step 6: Final answer
    x = 310,712,247.07

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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.