Home / 396,144,266.20-594,216,399.30-191,693,008.60

Finding the Fourth Proportional to 396,144,266.20, 594,216,399.30 and 191,693,008.60

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Solution

The fourth proportional to 396,144,266.20, 594,216,399.30 and 191,693,008.60 is: 287,539,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,144,266.20 : 594,216,399.30 = 191,693,008.60 : x
  2. Step 2: Convert to fraction form
    396,144,266.20/594,216,399.30 = 191,693,008.60/x
  3. Step 3: Cross multiply
    396,144,266.20x = 594,216,399.30 × 191,693,008.60
  4. Step 4: Simplify right side
    396,144,266.20x = 113,907,129,341,275,920
  5. Step 5: Solve for x
    x = 113,907,129,341,275,920/396,144,266.20
  6. Step 6: Final answer
    x = 287,539,512.90

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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.