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Finding the Fourth Proportional to 591,946,387.80, 886,644,123.30 and 489,909,715.80

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Solution

The fourth proportional to 591,946,387.80, 886,644,123.30 and 489,909,715.80 is: 733,808,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,946,387.80 : 886,644,123.30 = 489,909,715.80 : x
  2. Step 2: Convert to fraction form
    591,946,387.80/886,644,123.30 = 489,909,715.80/x
  3. Step 3: Cross multiply
    591,946,387.80x = 886,644,123.30 × 489,909,715.80
  4. Step 4: Simplify right side
    591,946,387.80x = 434,375,570,461,643,136
  5. Step 5: Solve for x
    x = 434,375,570,461,643,136/591,946,387.80
  6. Step 6: Final answer
    x = 733,808,972.26

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