Home / 408,074,865.75-611,749,799.33-159,022,471.77

Finding the Fourth Proportional to 408,074,865.75, 611,749,799.33 and 159,022,471.77

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Solution

The fourth proportional to 408,074,865.75, 611,749,799.33 and 159,022,471.77 is: 238,392,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,074,865.75 : 611,749,799.33 = 159,022,471.77 : x
  2. Step 2: Convert to fraction form
    408,074,865.75/611,749,799.33 = 159,022,471.77/x
  3. Step 3: Cross multiply
    408,074,865.75x = 611,749,799.33 × 159,022,471.77
  4. Step 4: Simplify right side
    408,074,865.75x = 97,281,965,193,462,992
  5. Step 5: Solve for x
    x = 97,281,965,193,462,992/408,074,865.75
  6. Step 6: Final answer
    x = 238,392,445.50

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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.