Home / 512,489,473.92-707,231,952-277,534,757.52

Finding the Fourth Proportional to 512,489,473.92, 707,231,952 and 277,534,757.52

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Solution

The fourth proportional to 512,489,473.92, 707,231,952 and 277,534,757.52 is: 382,996,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,473.92 : 707,231,952 = 277,534,757.52 : x
  2. Step 2: Convert to fraction form
    512,489,473.92/707,231,952 = 277,534,757.52/x
  3. Step 3: Cross multiply
    512,489,473.92x = 707,231,952 × 277,534,757.52
  4. Step 4: Simplify right side
    512,489,473.92x = 196,281,448,308,716,256
  5. Step 5: Solve for x
    x = 196,281,448,308,716,256/512,489,473.92
  6. Step 6: Final answer
    x = 382,996,058.06

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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.