Home / 2,728,981,991.94-3,765,995,154.84-1,475,918,847.78

Finding the Fourth Proportional to 2,728,981,991.94, 3,765,995,154.84 and 1,475,918,847.78

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Solution

The fourth proportional to 2,728,981,991.94, 3,765,995,154.84 and 1,475,918,847.78 is: 2,036,768,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,981,991.94 : 3,765,995,154.84 = 1,475,918,847.78 : x
  2. Step 2: Convert to fraction form
    2,728,981,991.94/3,765,995,154.84 = 1,475,918,847.78/x
  3. Step 3: Cross multiply
    2,728,981,991.94x = 3,765,995,154.84 × 1,475,918,847.78
  4. Step 4: Simplify right side
    2,728,981,991.94x = 5,558,303,229,676,515,328
  5. Step 5: Solve for x
    x = 5,558,303,229,676,515,328/2,728,981,991.94
  6. Step 6: Final answer
    x = 2,036,768,013.16

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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.