Home / 400,751,456,827.52-553,033,081,452.24-217,837,675,505.12

Finding the Fourth Proportional to 400,751,456,827.52, 553,033,081,452.24 and 217,837,675,505.12

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Solution

The fourth proportional to 400,751,456,827.52, 553,033,081,452.24 and 217,837,675,505.12 is: 300,613,856,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,751,456,827.52 : 553,033,081,452.24 = 217,837,675,505.12 : x
  2. Step 2: Convert to fraction form
    400,751,456,827.52/553,033,081,452.24 = 217,837,675,505.12/x
  3. Step 3: Cross multiply
    400,751,456,827.52x = 553,033,081,452.24 × 217,837,675,505.12
  4. Step 4: Simplify right side
    400,751,456,827.52x = 120,471,440,940,989,650,305,024
  5. Step 5: Solve for x
    x = 120,471,440,940,989,650,305,024/400,751,456,827.52
  6. Step 6: Final answer
    x = 300,613,856,515.16

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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.