Home / 2,825,204,623.09-3,899,474,335.90-2,188,866,469.91

Finding the Fourth Proportional to 2,825,204,623.09, 3,899,474,335.90 and 2,188,866,469.91

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Solution

The fourth proportional to 2,825,204,623.09, 3,899,474,335.90 and 2,188,866,469.91 is: 3,021,171,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,204,623.09 : 3,899,474,335.90 = 2,188,866,469.91 : x
  2. Step 2: Convert to fraction form
    2,825,204,623.09/3,899,474,335.90 = 2,188,866,469.91/x
  3. Step 3: Cross multiply
    2,825,204,623.09x = 3,899,474,335.90 × 2,188,866,469.91
  4. Step 4: Simplify right side
    2,825,204,623.09x = 8,535,428,624,109,204,480
  5. Step 5: Solve for x
    x = 8,535,428,624,109,204,480/2,825,204,623.09
  6. Step 6: Final answer
    x = 3,021,171,831.01

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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.