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Finding the Fourth Proportional to 399,264,076.40, 598,896,114.60 and 96,684,364.40

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Solution

The fourth proportional to 399,264,076.40, 598,896,114.60 and 96,684,364.40 is: 145,026,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,264,076.40 : 598,896,114.60 = 96,684,364.40 : x
  2. Step 2: Convert to fraction form
    399,264,076.40/598,896,114.60 = 96,684,364.40/x
  3. Step 3: Cross multiply
    399,264,076.40x = 598,896,114.60 × 96,684,364.40
  4. Step 4: Simplify right side
    399,264,076.40x = 57,903,890,181,730,568
  5. Step 5: Solve for x
    x = 57,903,890,181,730,568/399,264,076.40
  6. Step 6: Final answer
    x = 145,026,546.60

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