Home / 431,382,806.20-647,074,209.30-362,508,052.60

Finding the Fourth Proportional to 431,382,806.20, 647,074,209.30 and 362,508,052.60

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Solution

The fourth proportional to 431,382,806.20, 647,074,209.30 and 362,508,052.60 is: 543,762,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,382,806.20 : 647,074,209.30 = 362,508,052.60 : x
  2. Step 2: Convert to fraction form
    431,382,806.20/647,074,209.30 = 362,508,052.60/x
  3. Step 3: Cross multiply
    431,382,806.20x = 647,074,209.30 × 362,508,052.60
  4. Step 4: Simplify right side
    431,382,806.20x = 234,569,611,501,027,808
  5. Step 5: Solve for x
    x = 234,569,611,501,027,808/431,382,806.20
  6. Step 6: Final answer
    x = 543,762,078.90

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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.