Home / 820,862,941,841.32-1,231,499,498,390.40-579,311,684,769.32

Finding the Fourth Proportional to 820,862,941,841.32, 1,231,499,498,390.40 and 579,311,684,769.32

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Solution

The fourth proportional to 820,862,941,841.32, 1,231,499,498,390.40 and 579,311,684,769.32 is: 869,112,263,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,862,941,841.32 : 1,231,499,498,390.40 = 579,311,684,769.32 : x
  2. Step 2: Convert to fraction form
    820,862,941,841.32/1,231,499,498,390.40 = 579,311,684,769.32/x
  3. Step 3: Cross multiply
    820,862,941,841.32x = 1,231,499,498,390.40 × 579,311,684,769.32
  4. Step 4: Simplify right side
    820,862,941,841.32x = 713,422,049,205,114,946,715,648
  5. Step 5: Solve for x
    x = 713,422,049,205,114,946,715,648/820,862,941,841.32
  6. Step 6: Final answer
    x = 869,112,263,254.08

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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.