Home / 456,121,996.67-629,453,287.94-267,958,221.68

Finding the Fourth Proportional to 456,121,996.67, 629,453,287.94 and 267,958,221.68

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Solution

The fourth proportional to 456,121,996.67, 629,453,287.94 and 267,958,221.68 is: 369,785,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,121,996.67 : 629,453,287.94 = 267,958,221.68 : x
  2. Step 2: Convert to fraction form
    456,121,996.67/629,453,287.94 = 267,958,221.68/x
  3. Step 3: Cross multiply
    456,121,996.67x = 629,453,287.94 × 267,958,221.68
  4. Step 4: Simplify right side
    456,121,996.67x = 168,667,183,662,544,320
  5. Step 5: Solve for x
    x = 168,667,183,662,544,320/456,121,996.67
  6. Step 6: Final answer
    x = 369,785,243.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.