Home / 396,980,200.80-595,470,301.20-379,123,783.20

Finding the Fourth Proportional to 396,980,200.80, 595,470,301.20 and 379,123,783.20

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Solution

The fourth proportional to 396,980,200.80, 595,470,301.20 and 379,123,783.20 is: 568,685,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,980,200.80 : 595,470,301.20 = 379,123,783.20 : x
  2. Step 2: Convert to fraction form
    396,980,200.80/595,470,301.20 = 379,123,783.20/x
  3. Step 3: Cross multiply
    396,980,200.80x = 595,470,301.20 × 379,123,783.20
  4. Step 4: Simplify right side
    396,980,200.80x = 225,756,953,374,187,520
  5. Step 5: Solve for x
    x = 225,756,953,374,187,520/396,980,200.80
  6. Step 6: Final answer
    x = 568,685,674.80

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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.