Home / 460,923,288.31-691,611,922.77-215,244,217.20

Finding the Fourth Proportional to 460,923,288.31, 691,611,922.77 and 215,244,217.20

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Solution

The fourth proportional to 460,923,288.31, 691,611,922.77 and 215,244,217.20 is: 322,972,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,923,288.31 : 691,611,922.77 = 215,244,217.20 : x
  2. Step 2: Convert to fraction form
    460,923,288.31/691,611,922.77 = 215,244,217.20/x
  3. Step 3: Cross multiply
    460,923,288.31x = 691,611,922.77 × 215,244,217.20
  4. Step 4: Simplify right side
    460,923,288.31x = 148,865,466,922,815,488
  5. Step 5: Solve for x
    x = 148,865,466,922,815,488/460,923,288.31
  6. Step 6: Final answer
    x = 322,972,326.85

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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.