Home / 491,978,653.64-738,478,599.60-285,121,223

Finding the Fourth Proportional to 491,978,653.64, 738,478,599.60 and 285,121,223

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Solution

The fourth proportional to 491,978,653.64, 738,478,599.60 and 285,121,223 is: 427,977,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,978,653.64 : 738,478,599.60 = 285,121,223 : x
  2. Step 2: Convert to fraction form
    491,978,653.64/738,478,599.60 = 285,121,223/x
  3. Step 3: Cross multiply
    491,978,653.64x = 738,478,599.60 × 285,121,223
  4. Step 4: Simplify right side
    491,978,653.64x = 210,555,921,477,279,328
  5. Step 5: Solve for x
    x = 210,555,921,477,279,328/491,978,653.64
  6. Step 6: Final answer
    x = 427,977,758.63

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