Home / 1,223,995,743.97-1,836,353,833.33-394,933,833.64

Finding the Fourth Proportional to 1,223,995,743.97, 1,836,353,833.33 and 394,933,833.64

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Solution

The fourth proportional to 1,223,995,743.97, 1,836,353,833.33 and 394,933,833.64 is: 592,516,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,995,743.97 : 1,836,353,833.33 = 394,933,833.64 : x
  2. Step 2: Convert to fraction form
    1,223,995,743.97/1,836,353,833.33 = 394,933,833.64/x
  3. Step 3: Cross multiply
    1,223,995,743.97x = 1,836,353,833.33 × 394,933,833.64
  4. Step 4: Simplify right side
    1,223,995,743.97x = 725,238,259,318,624,512
  5. Step 5: Solve for x
    x = 725,238,259,318,624,512/1,223,995,743.97
  6. Step 6: Final answer
    x = 592,516,978.01

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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.