Home / 256,609,266.60-385,480,770.30-246,972,469.80

Finding the Fourth Proportional to 256,609,266.60, 385,480,770.30 and 246,972,469.80

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Solution

The fourth proportional to 256,609,266.60, 385,480,770.30 and 246,972,469.80 is: 371,004,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609,266.60 : 385,480,770.30 = 246,972,469.80 : x
  2. Step 2: Convert to fraction form
    256,609,266.60/385,480,770.30 = 246,972,469.80/x
  3. Step 3: Cross multiply
    256,609,266.60x = 385,480,770.30 × 246,972,469.80
  4. Step 4: Simplify right side
    256,609,266.60x = 95,203,137,901,397,488
  5. Step 5: Solve for x
    x = 95,203,137,901,397,488/256,609,266.60
  6. Step 6: Final answer
    x = 371,004,286.64

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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.