Home / 1,322,850,074.10-1,825,518,615.37-728,121,843.06

Finding the Fourth Proportional to 1,322,850,074.10, 1,825,518,615.37 and 728,121,843.06

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Solution

The fourth proportional to 1,322,850,074.10, 1,825,518,615.37 and 728,121,843.06 is: 1,004,800,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,074.10 : 1,825,518,615.37 = 728,121,843.06 : x
  2. Step 2: Convert to fraction form
    1,322,850,074.10/1,825,518,615.37 = 728,121,843.06/x
  3. Step 3: Cross multiply
    1,322,850,074.10x = 1,825,518,615.37 × 728,121,843.06
  4. Step 4: Simplify right side
    1,322,850,074.10x = 1,329,199,978,761,723,392
  5. Step 5: Solve for x
    x = 1,329,199,978,761,723,392/1,322,850,074.10
  6. Step 6: Final answer
    x = 1,004,800,169.56

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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.