Home / 365,213,489.31-503,940,805.43-222,086,236.59

Finding the Fourth Proportional to 365,213,489.31, 503,940,805.43 and 222,086,236.59

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Solution

The fourth proportional to 365,213,489.31, 503,940,805.43 and 222,086,236.59 is: 306,446,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,213,489.31 : 503,940,805.43 = 222,086,236.59 : x
  2. Step 2: Convert to fraction form
    365,213,489.31/503,940,805.43 = 222,086,236.59/x
  3. Step 3: Cross multiply
    365,213,489.31x = 503,940,805.43 × 222,086,236.59
  4. Step 4: Simplify right side
    365,213,489.31x = 111,918,316,940,971,712
  5. Step 5: Solve for x
    x = 111,918,316,940,971,712/365,213,489.31
  6. Step 6: Final answer
    x = 306,446,284.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.