Home / 2,825,970,629.63-3,899,768,191.28-1,555,798,932.73

Finding the Fourth Proportional to 2,825,970,629.63, 3,899,768,191.28 and 1,555,798,932.73

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Solution

The fourth proportional to 2,825,970,629.63, 3,899,768,191.28 and 1,555,798,932.73 is: 2,146,963,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,970,629.63 : 3,899,768,191.28 = 1,555,798,932.73 : x
  2. Step 2: Convert to fraction form
    2,825,970,629.63/3,899,768,191.28 = 1,555,798,932.73/x
  3. Step 3: Cross multiply
    2,825,970,629.63x = 3,899,768,191.28 × 1,555,798,932.73
  4. Step 4: Simplify right side
    2,825,970,629.63x = 6,067,255,189,890,483,200
  5. Step 5: Solve for x
    x = 6,067,255,189,890,483,200/2,825,970,629.63
  6. Step 6: Final answer
    x = 2,146,963,286.27

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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.