Home / 1,322,850,004.92-1,825,518,519.90-728,121,773.88

Finding the Fourth Proportional to 1,322,850,004.92, 1,825,518,519.90 and 728,121,773.88

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Solution

The fourth proportional to 1,322,850,004.92, 1,825,518,519.90 and 728,121,773.88 is: 1,004,800,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,004.92 : 1,825,518,519.90 = 728,121,773.88 : x
  2. Step 2: Convert to fraction form
    1,322,850,004.92/1,825,518,519.90 = 728,121,773.88/x
  3. Step 3: Cross multiply
    1,322,850,004.92x = 1,825,518,519.90 × 728,121,773.88
  4. Step 4: Simplify right side
    1,322,850,004.92x = 1,329,199,782,960,380,160
  5. Step 5: Solve for x
    x = 1,329,199,782,960,380,160/1,322,850,004.92
  6. Step 6: Final answer
    x = 1,004,800,074.10

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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.