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Finding the Fourth Proportional to 1,322,850,035.04, 1,825,518,560.76 and 728,121,804

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Solution

The fourth proportional to 1,322,850,035.04, 1,825,518,560.76 and 728,121,804 is: 1,004,800,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,035.04 : 1,825,518,560.76 = 728,121,804 : x
  2. Step 2: Convert to fraction form
    1,322,850,035.04/1,825,518,560.76 = 728,121,804/x
  3. Step 3: Cross multiply
    1,322,850,035.04x = 1,825,518,560.76 × 728,121,804
  4. Step 4: Simplify right side
    1,322,850,035.04x = 1,329,199,867,696,054,784
  5. Step 5: Solve for x
    x = 1,329,199,867,696,054,784/1,322,850,035.04
  6. Step 6: Final answer
    x = 1,004,800,115.27

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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.