Home / 678,804,566.40-1,017,790,144.56-263,796,816.60

Finding the Fourth Proportional to 678,804,566.40, 1,017,790,144.56 and 263,796,816.60

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Solution

The fourth proportional to 678,804,566.40, 1,017,790,144.56 and 263,796,816.60 is: 395,533,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,804,566.40 : 1,017,790,144.56 = 263,796,816.60 : x
  2. Step 2: Convert to fraction form
    678,804,566.40/1,017,790,144.56 = 263,796,816.60/x
  3. Step 3: Cross multiply
    678,804,566.40x = 1,017,790,144.56 × 263,796,816.60
  4. Step 4: Simplify right side
    678,804,566.40x = 268,489,800,101,781,792
  5. Step 5: Solve for x
    x = 268,489,800,101,781,792/678,804,566.40
  6. Step 6: Final answer
    x = 395,533,285.12

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