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Finding the Fourth Proportional to 652,763,436.10, 978,294,848.55 and 264,268,255.30

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Solution

The fourth proportional to 652,763,436.10, 978,294,848.55 and 264,268,255.30 is: 396,058,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,763,436.10 : 978,294,848.55 = 264,268,255.30 : x
  2. Step 2: Convert to fraction form
    652,763,436.10/978,294,848.55 = 264,268,255.30/x
  3. Step 3: Cross multiply
    652,763,436.10x = 978,294,848.55 × 264,268,255.30
  4. Step 4: Simplify right side
    652,763,436.10x = 258,532,272,795,286,240
  5. Step 5: Solve for x
    x = 258,532,272,795,286,240/652,763,436.10
  6. Step 6: Final answer
    x = 396,058,140.66

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