Home / 820,862,941,818.93-1,231,499,498,356.70-579,311,684,746.89

Finding the Fourth Proportional to 820,862,941,818.93, 1,231,499,498,356.70 and 579,311,684,746.89

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Solution

The fourth proportional to 820,862,941,818.93, 1,231,499,498,356.70 and 579,311,684,746.89 is: 869,112,263,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,862,941,818.93 : 1,231,499,498,356.70 = 579,311,684,746.89 : x
  2. Step 2: Convert to fraction form
    820,862,941,818.93/1,231,499,498,356.70 = 579,311,684,746.89/x
  3. Step 3: Cross multiply
    820,862,941,818.93x = 1,231,499,498,356.70 × 579,311,684,746.89
  4. Step 4: Simplify right side
    820,862,941,818.93x = 713,422,049,157,969,761,796,096
  5. Step 5: Solve for x
    x = 713,422,049,157,969,761,796,096/820,862,941,818.93
  6. Step 6: Final answer
    x = 869,112,263,220.36

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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.