Home / 396,308,608.20-594,462,912.30-137,437,792.20

Finding the Fourth Proportional to 396,308,608.20, 594,462,912.30 and 137,437,792.20

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Solution

The fourth proportional to 396,308,608.20, 594,462,912.30 and 137,437,792.20 is: 206,156,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,308,608.20 : 594,462,912.30 = 137,437,792.20 : x
  2. Step 2: Convert to fraction form
    396,308,608.20/594,462,912.30 = 137,437,792.20/x
  3. Step 3: Cross multiply
    396,308,608.20x = 594,462,912.30 × 137,437,792.20
  4. Step 4: Simplify right side
    396,308,608.20x = 81,701,670,211,294,208
  5. Step 5: Solve for x
    x = 81,701,670,211,294,208/396,308,608.20
  6. Step 6: Final answer
    x = 206,156,688.30

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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.