Home / 484,469,642.80-726,704,464.20-290,977,879.60

Finding the Fourth Proportional to 484,469,642.80, 726,704,464.20 and 290,977,879.60

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Solution

The fourth proportional to 484,469,642.80, 726,704,464.20 and 290,977,879.60 is: 436,466,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,469,642.80 : 726,704,464.20 = 290,977,879.60 : x
  2. Step 2: Convert to fraction form
    484,469,642.80/726,704,464.20 = 290,977,879.60/x
  3. Step 3: Cross multiply
    484,469,642.80x = 726,704,464.20 × 290,977,879.60
  4. Step 4: Simplify right side
    484,469,642.80x = 211,454,924,088,770,144
  5. Step 5: Solve for x
    x = 211,454,924,088,770,144/484,469,642.80
  6. Step 6: Final answer
    x = 436,466,819.40

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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.