Home / 1,990,966,382,112.80-2,747,504,367,075.20-1,112,053,977,139.70

Finding the Fourth Proportional to 1,990,966,382,112.80, 2,747,504,367,075.20 and 1,112,053,977,139.70

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Solution

The fourth proportional to 1,990,966,382,112.80, 2,747,504,367,075.20 and 1,112,053,977,139.70 is: 1,534,618,156,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,966,382,112.80 : 2,747,504,367,075.20 = 1,112,053,977,139.70 : x
  2. Step 2: Convert to fraction form
    1,990,966,382,112.80/2,747,504,367,075.20 = 1,112,053,977,139.70/x
  3. Step 3: Cross multiply
    1,990,966,382,112.80x = 2,747,504,367,075.20 × 1,112,053,977,139.70
  4. Step 4: Simplify right side
    1,990,966,382,112.80x = 3,055,373,158,614,670,241,693,696
  5. Step 5: Solve for x
    x = 3,055,373,158,614,670,241,693,696/1,990,966,382,112.80
  6. Step 6: Final answer
    x = 1,534,618,156,320.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.