Home / 1,322,850,036.04-1,825,518,562.14-728,121,805

Finding the Fourth Proportional to 1,322,850,036.04, 1,825,518,562.14 and 728,121,805

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Solution

The fourth proportional to 1,322,850,036.04, 1,825,518,562.14 and 728,121,805 is: 1,004,800,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,036.04 : 1,825,518,562.14 = 728,121,805 : x
  2. Step 2: Convert to fraction form
    1,322,850,036.04/1,825,518,562.14 = 728,121,805/x
  3. Step 3: Cross multiply
    1,322,850,036.04x = 1,825,518,562.14 × 728,121,805
  4. Step 4: Simplify right side
    1,322,850,036.04x = 1,329,199,870,526,381,568
  5. Step 5: Solve for x
    x = 1,329,199,870,526,381,568/1,322,850,036.04
  6. Step 6: Final answer
    x = 1,004,800,116.65

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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.