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Finding the Fourth Proportional to 5,978,702,943.90, 8,968,054,415.85 and 5,978,702,943.90

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Solution

The fourth proportional to 5,978,702,943.90, 8,968,054,415.85 and 5,978,702,943.90 is: 8,968,054,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,702,943.90 : 8,968,054,415.85 = 5,978,702,943.90 : x
  2. Step 2: Convert to fraction form
    5,978,702,943.90/8,968,054,415.85 = 5,978,702,943.90/x
  3. Step 3: Cross multiply
    5,978,702,943.90x = 8,968,054,415.85 × 5,978,702,943.90
  4. Step 4: Simplify right side
    5,978,702,943.90x = 53,617,333,337,097,789,440
  5. Step 5: Solve for x
    x = 53,617,333,337,097,789,440/5,978,702,943.90
  6. Step 6: Final answer
    x = 8,968,054,415.85

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Why These Related Problems?

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