Home / 820,862,941,816.75-1,231,499,498,353.50-579,311,684,744.80

Finding the Fourth Proportional to 820,862,941,816.75, 1,231,499,498,353.50 and 579,311,684,744.80

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Solution

The fourth proportional to 820,862,941,816.75, 1,231,499,498,353.50 and 579,311,684,744.80 is: 869,112,263,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,862,941,816.75 : 1,231,499,498,353.50 = 579,311,684,744.80 : x
  2. Step 2: Convert to fraction form
    820,862,941,816.75/1,231,499,498,353.50 = 579,311,684,744.80/x
  3. Step 3: Cross multiply
    820,862,941,816.75x = 1,231,499,498,353.50 × 579,311,684,744.80
  4. Step 4: Simplify right side
    820,862,941,816.75x = 713,422,049,153,542,187,384,832
  5. Step 5: Solve for x
    x = 713,422,049,153,542,187,384,832/820,862,941,816.75
  6. Step 6: Final answer
    x = 869,112,263,217.27

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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.