Home / 483,862,813.20-725,794,219.80-279,789,469.20

Finding the Fourth Proportional to 483,862,813.20, 725,794,219.80 and 279,789,469.20

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Solution

The fourth proportional to 483,862,813.20, 725,794,219.80 and 279,789,469.20 is: 419,684,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,862,813.20 : 725,794,219.80 = 279,789,469.20 : x
  2. Step 2: Convert to fraction form
    483,862,813.20/725,794,219.80 = 279,789,469.20/x
  3. Step 3: Cross multiply
    483,862,813.20x = 725,794,219.80 × 279,789,469.20
  4. Step 4: Simplify right side
    483,862,813.20x = 203,069,579,506,270,112
  5. Step 5: Solve for x
    x = 203,069,579,506,270,112/483,862,813.20
  6. Step 6: Final answer
    x = 419,684,203.80

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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.