Home / 491,978,645.64-738,478,587.60-285,121,215

Finding the Fourth Proportional to 491,978,645.64, 738,478,587.60 and 285,121,215

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Solution

The fourth proportional to 491,978,645.64, 738,478,587.60 and 285,121,215 is: 427,977,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,978,645.64 : 738,478,587.60 = 285,121,215 : x
  2. Step 2: Convert to fraction form
    491,978,645.64/738,478,587.60 = 285,121,215/x
  3. Step 3: Cross multiply
    491,978,645.64x = 738,478,587.60 × 285,121,215
  4. Step 4: Simplify right side
    491,978,645.64x = 210,555,912,147,995,936
  5. Step 5: Solve for x
    x = 210,555,912,147,995,936/491,978,645.64
  6. Step 6: Final answer
    x = 427,977,746.62

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