Home / 1,205,598,601,043.30-1,808,750,785,567.30-388,754,919,880.65

Finding the Fourth Proportional to 1,205,598,601,043.30, 1,808,750,785,567.30 and 388,754,919,880.65

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Solution

The fourth proportional to 1,205,598,601,043.30, 1,808,750,785,567.30 and 388,754,919,880.65 is: 583,246,170,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,598,601,043.30 : 1,808,750,785,567.30 = 388,754,919,880.65 : x
  2. Step 2: Convert to fraction form
    1,205,598,601,043.30/1,808,750,785,567.30 = 388,754,919,880.65/x
  3. Step 3: Cross multiply
    1,205,598,601,043.30x = 1,808,750,785,567.30 × 388,754,919,880.65
  4. Step 4: Simplify right side
    1,205,598,601,043.30x = 703,160,766,727,278,458,568,704
  5. Step 5: Solve for x
    x = 703,160,766,727,278,458,568,704/1,205,598,601,043.30
  6. Step 6: Final answer
    x = 583,246,170,092.42

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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.