Home / 3,126,516,426.78-4,314,667,630.38-1,697,647,757.49

Finding the Fourth Proportional to 3,126,516,426.78, 4,314,667,630.38 and 1,697,647,757.49

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Solution

The fourth proportional to 3,126,516,426.78, 4,314,667,630.38 and 1,697,647,757.49 is: 2,342,794,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,516,426.78 : 4,314,667,630.38 = 1,697,647,757.49 : x
  2. Step 2: Convert to fraction form
    3,126,516,426.78/4,314,667,630.38 = 1,697,647,757.49/x
  3. Step 3: Cross multiply
    3,126,516,426.78x = 4,314,667,630.38 × 1,697,647,757.49
  4. Step 4: Simplify right side
    3,126,516,426.78x = 7,324,785,827,029,299,200
  5. Step 5: Solve for x
    x = 7,324,785,827,029,299,200/3,126,516,426.78
  6. Step 6: Final answer
    x = 2,342,794,608.17

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Double scale
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1.5x scale

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.