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Finding the Fourth Proportional to 703,145,978.26, 970,252,264.58 and 385,522,642.24

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Solution

The fourth proportional to 703,145,978.26, 970,252,264.58 and 385,522,642.24 is: 531,972,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,145,978.26 : 970,252,264.58 = 385,522,642.24 : x
  2. Step 2: Convert to fraction form
    703,145,978.26/970,252,264.58 = 385,522,642.24/x
  3. Step 3: Cross multiply
    703,145,978.26x = 970,252,264.58 × 385,522,642.24
  4. Step 4: Simplify right side
    703,145,978.26x = 374,054,216,675,373,952
  5. Step 5: Solve for x
    x = 374,054,216,675,373,952/703,145,978.26
  6. Step 6: Final answer
    x = 531,972,347.48

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