Home / 326,753,999.40-490,130,999.10-173,321,077.80

Finding the Fourth Proportional to 326,753,999.40, 490,130,999.10 and 173,321,077.80

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Solution

The fourth proportional to 326,753,999.40, 490,130,999.10 and 173,321,077.80 is: 259,981,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,753,999.40 : 490,130,999.10 = 173,321,077.80 : x
  2. Step 2: Convert to fraction form
    326,753,999.40/490,130,999.10 = 173,321,077.80/x
  3. Step 3: Cross multiply
    326,753,999.40x = 490,130,999.10 × 173,321,077.80
  4. Step 4: Simplify right side
    326,753,999.40x = 84,950,033,027,202,832
  5. Step 5: Solve for x
    x = 84,950,033,027,202,832/326,753,999.40
  6. Step 6: Final answer
    x = 259,981,616.70

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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.