Home / 491,978,647.64-738,478,590.60-285,121,217

Finding the Fourth Proportional to 491,978,647.64, 738,478,590.60 and 285,121,217

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Solution

The fourth proportional to 491,978,647.64, 738,478,590.60 and 285,121,217 is: 427,977,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,978,647.64 : 738,478,590.60 = 285,121,217 : x
  2. Step 2: Convert to fraction form
    491,978,647.64/738,478,590.60 = 285,121,217/x
  3. Step 3: Cross multiply
    491,978,647.64x = 738,478,590.60 × 285,121,217
  4. Step 4: Simplify right side
    491,978,647.64x = 210,555,914,480,316,768
  5. Step 5: Solve for x
    x = 210,555,914,480,316,768/491,978,647.64
  6. Step 6: Final answer
    x = 427,977,749.62

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