Home / 271,285,378.10-406,928,067.15-258,814,229.30

Finding the Fourth Proportional to 271,285,378.10, 406,928,067.15 and 258,814,229.30

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Solution

The fourth proportional to 271,285,378.10, 406,928,067.15 and 258,814,229.30 is: 388,221,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,285,378.10 : 406,928,067.15 = 258,814,229.30 : x
  2. Step 2: Convert to fraction form
    271,285,378.10/406,928,067.15 = 258,814,229.30/x
  3. Step 3: Cross multiply
    271,285,378.10x = 406,928,067.15 × 258,814,229.30
  4. Step 4: Simplify right side
    271,285,378.10x = 105,318,774,079,965,904
  5. Step 5: Solve for x
    x = 105,318,774,079,965,904/271,285,378.10
  6. Step 6: Final answer
    x = 388,221,343.95

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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.