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Finding the Fourth Proportional to 652,395,845.16, 978,104,978.10 and 393,550,728.84

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Solution

The fourth proportional to 652,395,845.16, 978,104,978.10 and 393,550,728.84 is: 590,031,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,395,845.16 : 978,104,978.10 = 393,550,728.84 : x
  2. Step 2: Convert to fraction form
    652,395,845.16/978,104,978.10 = 393,550,728.84/x
  3. Step 3: Cross multiply
    652,395,845.16x = 978,104,978.10 × 393,550,728.84
  4. Step 4: Simplify right side
    652,395,845.16x = 384,933,927,013,287,232
  5. Step 5: Solve for x
    x = 384,933,927,013,287,232/652,395,845.16
  6. Step 6: Final answer
    x = 590,031,236.20

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