Home / 257,380,228.52-350,433,005.37-256,563,013.44

Finding the Fourth Proportional to 257,380,228.52, 350,433,005.37 and 256,563,013.44

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Solution

The fourth proportional to 257,380,228.52, 350,433,005.37 and 256,563,013.44 is: 349,320,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,380,228.52 : 350,433,005.37 = 256,563,013.44 : x
  2. Step 2: Convert to fraction form
    257,380,228.52/350,433,005.37 = 256,563,013.44/x
  3. Step 3: Cross multiply
    257,380,228.52x = 350,433,005.37 × 256,563,013.44
  4. Step 4: Simplify right side
    257,380,228.52x = 89,908,147,866,914,912
  5. Step 5: Solve for x
    x = 89,908,147,866,914,912/257,380,228.52
  6. Step 6: Final answer
    x = 349,320,335.85

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.