Home / 396,972,032.80-595,458,049.20-379,115,615.20

Finding the Fourth Proportional to 396,972,032.80, 595,458,049.20 and 379,115,615.20

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Solution

The fourth proportional to 396,972,032.80, 595,458,049.20 and 379,115,615.20 is: 568,673,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,972,032.80 : 595,458,049.20 = 379,115,615.20 : x
  2. Step 2: Convert to fraction form
    396,972,032.80/595,458,049.20 = 379,115,615.20/x
  3. Step 3: Cross multiply
    396,972,032.80x = 595,458,049.20 × 379,115,615.20
  4. Step 4: Simplify right side
    396,972,032.80x = 225,747,444,648,249,888
  5. Step 5: Solve for x
    x = 225,747,444,648,249,888/396,972,032.80
  6. Step 6: Final answer
    x = 568,673,422.80

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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.