Home / 440,097,978.20-660,146,967.30-394,181,475.80

Finding the Fourth Proportional to 440,097,978.20, 660,146,967.30 and 394,181,475.80

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Solution

The fourth proportional to 440,097,978.20, 660,146,967.30 and 394,181,475.80 is: 591,272,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,097,978.20 : 660,146,967.30 = 394,181,475.80 : x
  2. Step 2: Convert to fraction form
    440,097,978.20/660,146,967.30 = 394,181,475.80/x
  3. Step 3: Cross multiply
    440,097,978.20x = 660,146,967.30 × 394,181,475.80
  4. Step 4: Simplify right side
    440,097,978.20x = 260,217,705,815,208,320
  5. Step 5: Solve for x
    x = 260,217,705,815,208,320/440,097,978.20
  6. Step 6: Final answer
    x = 591,272,213.70

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