Home / 311,577,469.60-427,725,323.15-267,447,855.64

Finding the Fourth Proportional to 311,577,469.60, 427,725,323.15 and 267,447,855.64

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Solution

The fourth proportional to 311,577,469.60, 427,725,323.15 and 267,447,855.64 is: 367,145,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,577,469.60 : 427,725,323.15 = 267,447,855.64 : x
  2. Step 2: Convert to fraction form
    311,577,469.60/427,725,323.15 = 267,447,855.64/x
  3. Step 3: Cross multiply
    311,577,469.60x = 427,725,323.15 × 267,447,855.64
  4. Step 4: Simplify right side
    311,577,469.60x = 114,394,220,479,393,536
  5. Step 5: Solve for x
    x = 114,394,220,479,393,536/311,577,469.60
  6. Step 6: Final answer
    x = 367,145,354.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.