Home / 797,149,252.20-1,195,723,878.30-280,163,447.40

Finding the Fourth Proportional to 797,149,252.20, 1,195,723,878.30 and 280,163,447.40

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Solution

The fourth proportional to 797,149,252.20, 1,195,723,878.30 and 280,163,447.40 is: 420,245,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,149,252.20 : 1,195,723,878.30 = 280,163,447.40 : x
  2. Step 2: Convert to fraction form
    797,149,252.20/1,195,723,878.30 = 280,163,447.40/x
  3. Step 3: Cross multiply
    797,149,252.20x = 1,195,723,878.30 × 280,163,447.40
  4. Step 4: Simplify right side
    797,149,252.20x = 334,998,123,883,025,984
  5. Step 5: Solve for x
    x = 334,998,123,883,025,984/797,149,252.20
  6. Step 6: Final answer
    x = 420,245,171.10

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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.