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Finding the Fourth Proportional to 483,647,700.55, 724,408,168.81 and 399,698,032.51

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Solution

The fourth proportional to 483,647,700.55, 724,408,168.81 and 399,698,032.51 is: 598,668,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,647,700.55 : 724,408,168.81 = 399,698,032.51 : x
  2. Step 2: Convert to fraction form
    483,647,700.55/724,408,168.81 = 399,698,032.51/x
  3. Step 3: Cross multiply
    483,647,700.55x = 724,408,168.81 × 399,698,032.51
  4. Step 4: Simplify right side
    483,647,700.55x = 289,544,519,807,528,896
  5. Step 5: Solve for x
    x = 289,544,519,807,528,896/483,647,700.55
  6. Step 6: Final answer
    x = 598,668,244.42

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