Home / 484,469,645.80-726,704,468.70-290,977,882.60

Finding the Fourth Proportional to 484,469,645.80, 726,704,468.70 and 290,977,882.60

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Solution

The fourth proportional to 484,469,645.80, 726,704,468.70 and 290,977,882.60 is: 436,466,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,469,645.80 : 726,704,468.70 = 290,977,882.60 : x
  2. Step 2: Convert to fraction form
    484,469,645.80/726,704,468.70 = 290,977,882.60/x
  3. Step 3: Cross multiply
    484,469,645.80x = 726,704,468.70 × 290,977,882.60
  4. Step 4: Simplify right side
    484,469,645.80x = 211,454,927,578,284,000
  5. Step 5: Solve for x
    x = 211,454,927,578,284,000/484,469,645.80
  6. Step 6: Final answer
    x = 436,466,823.90

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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.