Home / 299,568,298.20-449,352,447.30-146,135,376.60

Finding the Fourth Proportional to 299,568,298.20, 449,352,447.30 and 146,135,376.60

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Solution

The fourth proportional to 299,568,298.20, 449,352,447.30 and 146,135,376.60 is: 219,203,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,568,298.20 : 449,352,447.30 = 146,135,376.60 : x
  2. Step 2: Convert to fraction form
    299,568,298.20/449,352,447.30 = 146,135,376.60/x
  3. Step 3: Cross multiply
    299,568,298.20x = 449,352,447.30 × 146,135,376.60
  4. Step 4: Simplify right side
    299,568,298.20x = 65,666,289,112,317,152
  5. Step 5: Solve for x
    x = 65,666,289,112,317,152/299,568,298.20
  6. Step 6: Final answer
    x = 219,203,064.90

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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.