Home / 1,223,995,738.21-1,836,353,824.53-394,933,827.88

Finding the Fourth Proportional to 1,223,995,738.21, 1,836,353,824.53 and 394,933,827.88

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Solution

The fourth proportional to 1,223,995,738.21, 1,836,353,824.53 and 394,933,827.88 is: 592,516,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,995,738.21 : 1,836,353,824.53 = 394,933,827.88 : x
  2. Step 2: Convert to fraction form
    1,223,995,738.21/1,836,353,824.53 = 394,933,827.88/x
  3. Step 3: Cross multiply
    1,223,995,738.21x = 1,836,353,824.53 × 394,933,827.88
  4. Step 4: Simplify right side
    1,223,995,738.21x = 725,238,245,267,862,400
  5. Step 5: Solve for x
    x = 725,238,245,267,862,400/1,223,995,738.21
  6. Step 6: Final answer
    x = 592,516,969.32

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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.