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Finding the Fourth Proportional to 627,907,978.01, 942,003,862.48 and 207,728,364.16

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Solution

The fourth proportional to 627,907,978.01, 942,003,862.48 and 207,728,364.16 is: 311,639,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,907,978.01 : 942,003,862.48 = 207,728,364.16 : x
  2. Step 2: Convert to fraction form
    627,907,978.01/942,003,862.48 = 207,728,364.16/x
  3. Step 3: Cross multiply
    627,907,978.01x = 942,003,862.48 × 207,728,364.16
  4. Step 4: Simplify right side
    627,907,978.01x = 195,680,921,385,372,000
  5. Step 5: Solve for x
    x = 195,680,921,385,372,000/627,907,978.01
  6. Step 6: Final answer
    x = 311,639,488.97

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