Home / 820,862,941,817.48-1,231,499,498,354.60-579,311,684,745.48

Finding the Fourth Proportional to 820,862,941,817.48, 1,231,499,498,354.60 and 579,311,684,745.48

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Solution

The fourth proportional to 820,862,941,817.48, 1,231,499,498,354.60 and 579,311,684,745.48 is: 869,112,263,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,862,941,817.48 : 1,231,499,498,354.60 = 579,311,684,745.48 : x
  2. Step 2: Convert to fraction form
    820,862,941,817.48/1,231,499,498,354.60 = 579,311,684,745.48/x
  3. Step 3: Cross multiply
    820,862,941,817.48x = 1,231,499,498,354.60 × 579,311,684,745.48
  4. Step 4: Simplify right side
    820,862,941,817.48x = 713,422,049,155,016,837,562,368
  5. Step 5: Solve for x
    x = 713,422,049,155,016,837,562,368/820,862,941,817.48
  6. Step 6: Final answer
    x = 869,112,263,218.29

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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.