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Finding the Fourth Proportional to 664,308,105.60, 996,462,158.40 and 664,308,105.60

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Solution

The fourth proportional to 664,308,105.60, 996,462,158.40 and 664,308,105.60 is: 996,462,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,105.60 : 996,462,158.40 = 664,308,105.60 : x
  2. Step 2: Convert to fraction form
    664,308,105.60/996,462,158.40 = 664,308,105.60/x
  3. Step 3: Cross multiply
    664,308,105.60x = 996,462,158.40 × 664,308,105.60
  4. Step 4: Simplify right side
    664,308,105.60x = 661,957,888,748,791,168
  5. Step 5: Solve for x
    x = 661,957,888,748,791,168/664,308,105.60
  6. Step 6: Final answer
    x = 996,462,158.40

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