Home / 252,246,665,892.86-378,392,989,318.77-82,222,613,938.24

Finding the Fourth Proportional to 252,246,665,892.86, 378,392,989,318.77 and 82,222,613,938.24

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Solution

The fourth proportional to 252,246,665,892.86, 378,392,989,318.77 and 82,222,613,938.24 is: 123,341,414,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,246,665,892.86 : 378,392,989,318.77 = 82,222,613,938.24 : x
  2. Step 2: Convert to fraction form
    252,246,665,892.86/378,392,989,318.77 = 82,222,613,938.24/x
  3. Step 3: Cross multiply
    252,246,665,892.86x = 378,392,989,318.77 × 82,222,613,938.24
  4. Step 4: Simplify right side
    252,246,665,892.86x = 31,112,460,677,691,908,030,464
  5. Step 5: Solve for x
    x = 31,112,460,677,691,908,030,464/252,246,665,892.86
  6. Step 6: Final answer
    x = 123,341,414,910.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.