Home / 314,928,608.70-472,392,913.05-185,469,581.10

Finding the Fourth Proportional to 314,928,608.70, 472,392,913.05 and 185,469,581.10

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Solution

The fourth proportional to 314,928,608.70, 472,392,913.05 and 185,469,581.10 is: 278,204,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,608.70 : 472,392,913.05 = 185,469,581.10 : x
  2. Step 2: Convert to fraction form
    314,928,608.70/472,392,913.05 = 185,469,581.10/x
  3. Step 3: Cross multiply
    314,928,608.70x = 472,392,913.05 × 185,469,581.10
  4. Step 4: Simplify right side
    314,928,608.70x = 87,614,515,697,992,224
  5. Step 5: Solve for x
    x = 87,614,515,697,992,224/314,928,608.70
  6. Step 6: Final answer
    x = 278,204,371.65

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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.