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Finding the Fourth Proportional to 1,171,978,442.64, 1,755,669,198.20 and 679,657,410

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Solution

The fourth proportional to 1,171,978,442.64, 1,755,669,198.20 and 679,657,410 is: 1,018,153,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,978,442.64 : 1,755,669,198.20 = 679,657,410 : x
  2. Step 2: Convert to fraction form
    1,171,978,442.64/1,755,669,198.20 = 679,657,410/x
  3. Step 3: Cross multiply
    1,171,978,442.64x = 1,755,669,198.20 × 679,657,410
  4. Step 4: Simplify right side
    1,171,978,442.64x = 1,193,253,580,065,388,800
  5. Step 5: Solve for x
    x = 1,193,253,580,065,388,800/1,171,978,442.64
  6. Step 6: Final answer
    x = 1,018,153,181.54

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