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Finding the Fourth Proportional to 576,033,110.40, 864,049,665.60 and 422,978,102.40

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Solution

The fourth proportional to 576,033,110.40, 864,049,665.60 and 422,978,102.40 is: 634,467,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,033,110.40 : 864,049,665.60 = 422,978,102.40 : x
  2. Step 2: Convert to fraction form
    576,033,110.40/864,049,665.60 = 422,978,102.40/x
  3. Step 3: Cross multiply
    576,033,110.40x = 864,049,665.60 × 422,978,102.40
  4. Step 4: Simplify right side
    576,033,110.40x = 365,474,087,934,842,560
  5. Step 5: Solve for x
    x = 365,474,087,934,842,560/576,033,110.40
  6. Step 6: Final answer
    x = 634,467,153.60

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