Home / 797,149,227.20-1,195,723,840.80-280,163,422.40

Finding the Fourth Proportional to 797,149,227.20, 1,195,723,840.80 and 280,163,422.40

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Solution

The fourth proportional to 797,149,227.20, 1,195,723,840.80 and 280,163,422.40 is: 420,245,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,149,227.20 : 1,195,723,840.80 = 280,163,422.40 : x
  2. Step 2: Convert to fraction form
    797,149,227.20/1,195,723,840.80 = 280,163,422.40/x
  3. Step 3: Cross multiply
    797,149,227.20x = 1,195,723,840.80 × 280,163,422.40
  4. Step 4: Simplify right side
    797,149,227.20x = 334,998,083,483,800,704
  5. Step 5: Solve for x
    x = 334,998,083,483,800,704/797,149,227.20
  6. Step 6: Final answer
    x = 420,245,133.60

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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.