Home / 512,489,383.56-707,231,827.73-277,534,667.35

Finding the Fourth Proportional to 512,489,383.56, 707,231,827.73 and 277,534,667.35

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Solution

The fourth proportional to 512,489,383.56, 707,231,827.73 and 277,534,667.35 is: 382,995,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,383.56 : 707,231,827.73 = 277,534,667.35 : x
  2. Step 2: Convert to fraction form
    512,489,383.56/707,231,827.73 = 277,534,667.35/x
  3. Step 3: Cross multiply
    512,489,383.56x = 707,231,827.73 × 277,534,667.35
  4. Step 4: Simplify right side
    512,489,383.56x = 196,281,350,049,955,904
  5. Step 5: Solve for x
    x = 196,281,350,049,955,904/512,489,383.56
  6. Step 6: Final answer
    x = 382,995,933.86

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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.