Home / 820,862,941,824.94-1,231,499,498,365.70-579,311,684,752.90

Finding the Fourth Proportional to 820,862,941,824.94, 1,231,499,498,365.70 and 579,311,684,752.90

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Solution

The fourth proportional to 820,862,941,824.94, 1,231,499,498,365.70 and 579,311,684,752.90 is: 869,112,263,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,862,941,824.94 : 1,231,499,498,365.70 = 579,311,684,752.90 : x
  2. Step 2: Convert to fraction form
    820,862,941,824.94/1,231,499,498,365.70 = 579,311,684,752.90/x
  3. Step 3: Cross multiply
    820,862,941,824.94x = 1,231,499,498,365.70 × 579,311,684,752.90
  4. Step 4: Simplify right side
    820,862,941,824.94x = 713,422,049,170,584,886,050,816
  5. Step 5: Solve for x
    x = 713,422,049,170,584,886,050,816/820,862,941,824.94
  6. Step 6: Final answer
    x = 869,112,263,229.36

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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.