Home / 20,861,616,397.16-31,305,295,768.28-9,667,404,039.80

Finding the Fourth Proportional to 20,861,616,397.16, 31,305,295,768.28 and 9,667,404,039.80

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Solution

The fourth proportional to 20,861,616,397.16, 31,305,295,768.28 and 9,667,404,039.80 is: 14,507,070,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,616,397.16 : 31,305,295,768.28 = 9,667,404,039.80 : x
  2. Step 2: Convert to fraction form
    20,861,616,397.16/31,305,295,768.28 = 9,667,404,039.80/x
  3. Step 3: Cross multiply
    20,861,616,397.16x = 31,305,295,768.28 × 9,667,404,039.80
  4. Step 4: Simplify right side
    20,861,616,397.16x = 302,640,942,777,403,899,904
  5. Step 5: Solve for x
    x = 302,640,942,777,403,899,904/20,861,616,397.16
  6. Step 6: Final answer
    x = 14,507,070,641.88

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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.