Home / 250,244,472.60-375,366,708.90-212,453,112.60

Finding the Fourth Proportional to 250,244,472.60, 375,366,708.90 and 212,453,112.60

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Solution

The fourth proportional to 250,244,472.60, 375,366,708.90 and 212,453,112.60 is: 318,679,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,244,472.60 : 375,366,708.90 = 212,453,112.60 : x
  2. Step 2: Convert to fraction form
    250,244,472.60/375,366,708.90 = 212,453,112.60/x
  3. Step 3: Cross multiply
    250,244,472.60x = 375,366,708.90 × 212,453,112.60
  4. Step 4: Simplify right side
    250,244,472.60x = 79,747,825,672,223,120
  5. Step 5: Solve for x
    x = 79,747,825,672,223,120/250,244,472.60
  6. Step 6: Final answer
    x = 318,679,668.90

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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.