Home / 252,246,665,893.65-378,392,989,319.97-82,222,613,939.05

Finding the Fourth Proportional to 252,246,665,893.65, 378,392,989,319.97 and 82,222,613,939.05

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Solution

The fourth proportional to 252,246,665,893.65, 378,392,989,319.97 and 82,222,613,939.05 is: 123,341,414,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,246,665,893.65 : 378,392,989,319.97 = 82,222,613,939.05 : x
  2. Step 2: Convert to fraction form
    252,246,665,893.65/378,392,989,319.97 = 82,222,613,939.05/x
  3. Step 3: Cross multiply
    252,246,665,893.65x = 378,392,989,319.97 × 82,222,613,939.05
  4. Step 4: Simplify right side
    252,246,665,893.65x = 31,112,460,678,098,961,039,360
  5. Step 5: Solve for x
    x = 31,112,460,678,098,961,039,360/252,246,665,893.65
  6. Step 6: Final answer
    x = 123,341,414,911.77

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1.5x scale

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.