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Finding the Fourth Proportional to 652,633,638.90, 978,977,473.26 and 192,571,808.21

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Solution

The fourth proportional to 652,633,638.90, 978,977,473.26 and 192,571,808.21 is: 288,865,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,633,638.90 : 978,977,473.26 = 192,571,808.21 : x
  2. Step 2: Convert to fraction form
    652,633,638.90/978,977,473.26 = 192,571,808.21/x
  3. Step 3: Cross multiply
    652,633,638.90x = 978,977,473.26 × 192,571,808.21
  4. Step 4: Simplify right side
    652,633,638.90x = 188,523,462,217,640,256
  5. Step 5: Solve for x
    x = 188,523,462,217,640,256/652,633,638.90
  6. Step 6: Final answer
    x = 288,865,683.56

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