Home / 3,824,765,103.12-5,278,036,494.64-2,131,132,240.16

Finding the Fourth Proportional to 3,824,765,103.12, 5,278,036,494.64 and 2,131,132,240.16

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Solution

The fourth proportional to 3,824,765,103.12, 5,278,036,494.64 and 2,131,132,240.16 is: 2,940,884,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824,765,103.12 : 5,278,036,494.64 = 2,131,132,240.16 : x
  2. Step 2: Convert to fraction form
    3,824,765,103.12/5,278,036,494.64 = 2,131,132,240.16/x
  3. Step 3: Cross multiply
    3,824,765,103.12x = 5,278,036,494.64 × 2,131,132,240.16
  4. Step 4: Simplify right side
    3,824,765,103.12x = 11,248,193,738,468,378,624
  5. Step 5: Solve for x
    x = 11,248,193,738,468,378,624/3,824,765,103.12
  6. Step 6: Final answer
    x = 2,940,884,847.88

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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.