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Finding the Fourth Proportional to 5,978,702,947.15, 8,968,054,420.73 and 5,978,702,947.15

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Solution

The fourth proportional to 5,978,702,947.15, 8,968,054,420.73 and 5,978,702,947.15 is: 8,968,054,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,702,947.15 : 8,968,054,420.73 = 5,978,702,947.15 : x
  2. Step 2: Convert to fraction form
    5,978,702,947.15/8,968,054,420.73 = 5,978,702,947.15/x
  3. Step 3: Cross multiply
    5,978,702,947.15x = 8,968,054,420.73 × 5,978,702,947.15
  4. Step 4: Simplify right side
    5,978,702,947.15x = 53,617,333,395,420,028,928
  5. Step 5: Solve for x
    x = 53,617,333,395,420,028,928/5,978,702,947.15
  6. Step 6: Final answer
    x = 8,968,054,420.73

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