Home / 820,862,941,823.94-1,231,499,498,364.20-579,311,684,751.90

Finding the Fourth Proportional to 820,862,941,823.94, 1,231,499,498,364.20 and 579,311,684,751.90

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Solution

The fourth proportional to 820,862,941,823.94, 1,231,499,498,364.20 and 579,311,684,751.90 is: 869,112,263,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,862,941,823.94 : 1,231,499,498,364.20 = 579,311,684,751.90 : x
  2. Step 2: Convert to fraction form
    820,862,941,823.94/1,231,499,498,364.20 = 579,311,684,751.90/x
  3. Step 3: Cross multiply
    820,862,941,823.94x = 1,231,499,498,364.20 × 579,311,684,751.90
  4. Step 4: Simplify right side
    820,862,941,823.94x = 713,422,049,168,484,378,607,616
  5. Step 5: Solve for x
    x = 713,422,049,168,484,378,607,616/820,862,941,823.94
  6. Step 6: Final answer
    x = 869,112,263,227.86

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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.