Home / 1,322,850,061.21-1,825,518,597.46-728,121,830.17

Finding the Fourth Proportional to 1,322,850,061.21, 1,825,518,597.46 and 728,121,830.17

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Solution

The fourth proportional to 1,322,850,061.21, 1,825,518,597.46 and 728,121,830.17 is: 1,004,800,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,061.21 : 1,825,518,597.46 = 728,121,830.17 : x
  2. Step 2: Convert to fraction form
    1,322,850,061.21/1,825,518,597.46 = 728,121,830.17/x
  3. Step 3: Cross multiply
    1,322,850,061.21x = 1,825,518,597.46 × 728,121,830.17
  4. Step 4: Simplify right side
    1,322,850,061.21x = 1,329,199,942,188,305,920
  5. Step 5: Solve for x
    x = 1,329,199,942,188,305,920/1,322,850,061.21
  6. Step 6: Final answer
    x = 1,004,800,151.71

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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.