Home / 491,978,655.64-738,478,602.60-285,121,225

Finding the Fourth Proportional to 491,978,655.64, 738,478,602.60 and 285,121,225

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Solution

The fourth proportional to 491,978,655.64, 738,478,602.60 and 285,121,225 is: 427,977,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,978,655.64 : 738,478,602.60 = 285,121,225 : x
  2. Step 2: Convert to fraction form
    491,978,655.64/738,478,602.60 = 285,121,225/x
  3. Step 3: Cross multiply
    491,978,655.64x = 738,478,602.60 × 285,121,225
  4. Step 4: Simplify right side
    491,978,655.64x = 210,555,923,809,600,192
  5. Step 5: Solve for x
    x = 210,555,923,809,600,192/491,978,655.64
  6. Step 6: Final answer
    x = 427,977,761.63

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