Home / 303,281,916,348.97-418,542,200,715.55-167,951,096,785.20

Finding the Fourth Proportional to 303,281,916,348.97, 418,542,200,715.55 and 167,951,096,785.20

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Solution

The fourth proportional to 303,281,916,348.97, 418,542,200,715.55 and 167,951,096,785.20 is: 231,779,799,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,916,348.97 : 418,542,200,715.55 = 167,951,096,785.20 : x
  2. Step 2: Convert to fraction form
    303,281,916,348.97/418,542,200,715.55 = 167,951,096,785.20/x
  3. Step 3: Cross multiply
    303,281,916,348.97x = 418,542,200,715.55 × 167,951,096,785.20
  4. Step 4: Simplify right side
    303,281,916,348.97x = 70,294,621,661,067,942,559,744
  5. Step 5: Solve for x
    x = 70,294,621,661,067,942,559,744/303,281,916,348.97
  6. Step 6: Final answer
    x = 231,779,799,162.78

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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.