Home / 1,197,681,969.60-1,797,120,151.20-680,509,540.80

Finding the Fourth Proportional to 1,197,681,969.60, 1,797,120,151.20 and 680,509,540.80

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Solution

The fourth proportional to 1,197,681,969.60, 1,797,120,151.20 and 680,509,540.80 is: 1,021,103,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,681,969.60 : 1,797,120,151.20 = 680,509,540.80 : x
  2. Step 2: Convert to fraction form
    1,197,681,969.60/1,797,120,151.20 = 680,509,540.80/x
  3. Step 3: Cross multiply
    1,197,681,969.60x = 1,797,120,151.20 × 680,509,540.80
  4. Step 4: Simplify right side
    1,197,681,969.60x = 1,222,957,408,855,538,432
  5. Step 5: Solve for x
    x = 1,222,957,408,855,538,432/1,197,681,969.60
  6. Step 6: Final answer
    x = 1,021,103,631.76

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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.