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Finding the Fourth Proportional to 568,776,771.72, 784,872,299.46 and 321,210,296.28

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Solution

The fourth proportional to 568,776,771.72, 784,872,299.46 and 321,210,296.28 is: 443,247,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,776,771.72 : 784,872,299.46 = 321,210,296.28 : x
  2. Step 2: Convert to fraction form
    568,776,771.72/784,872,299.46 = 321,210,296.28/x
  3. Step 3: Cross multiply
    568,776,771.72x = 784,872,299.46 × 321,210,296.28
  4. Step 4: Simplify right side
    568,776,771.72x = 252,109,063,851,511,488
  5. Step 5: Solve for x
    x = 252,109,063,851,511,488/568,776,771.72
  6. Step 6: Final answer
    x = 443,247,819.51

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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.