Home / 1,990,080,883.20-2,747,192,357.76-1,285,576,448.64

Finding the Fourth Proportional to 1,990,080,883.20, 2,747,192,357.76 and 1,285,576,448.64

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Solution

The fourth proportional to 1,990,080,883.20, 2,747,192,357.76 and 1,285,576,448.64 is: 1,774,664,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,080,883.20 : 2,747,192,357.76 = 1,285,576,448.64 : x
  2. Step 2: Convert to fraction form
    1,990,080,883.20/2,747,192,357.76 = 1,285,576,448.64/x
  3. Step 3: Cross multiply
    1,990,080,883.20x = 2,747,192,357.76 × 1,285,576,448.64
  4. Step 4: Simplify right side
    1,990,080,883.20x = 3,531,725,795,020,049,920
  5. Step 5: Solve for x
    x = 3,531,725,795,020,049,920/1,990,080,883.20
  6. Step 6: Final answer
    x = 1,774,664,449.49

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1.5x scale

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.