Home / 491,978,656.64-738,478,604.10-285,121,226

Finding the Fourth Proportional to 491,978,656.64, 738,478,604.10 and 285,121,226

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Solution

The fourth proportional to 491,978,656.64, 738,478,604.10 and 285,121,226 is: 427,977,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,978,656.64 : 738,478,604.10 = 285,121,226 : x
  2. Step 2: Convert to fraction form
    491,978,656.64/738,478,604.10 = 285,121,226/x
  3. Step 3: Cross multiply
    491,978,656.64x = 738,478,604.10 × 285,121,226
  4. Step 4: Simplify right side
    491,978,656.64x = 210,555,924,975,760,640
  5. Step 5: Solve for x
    x = 210,555,924,975,760,640/491,978,656.64
  6. Step 6: Final answer
    x = 427,977,763.13

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