Home / 512,489,474.92-707,231,953.38-277,534,758.52

Finding the Fourth Proportional to 512,489,474.92, 707,231,953.38 and 277,534,758.52

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Solution

The fourth proportional to 512,489,474.92, 707,231,953.38 and 277,534,758.52 is: 382,996,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,474.92 : 707,231,953.38 = 277,534,758.52 : x
  2. Step 2: Convert to fraction form
    512,489,474.92/707,231,953.38 = 277,534,758.52/x
  3. Step 3: Cross multiply
    512,489,474.92x = 707,231,953.38 × 277,534,758.52
  4. Step 4: Simplify right side
    512,489,474.92x = 196,281,449,398,946,176
  5. Step 5: Solve for x
    x = 196,281,449,398,946,176/512,489,474.92
  6. Step 6: Final answer
    x = 382,996,059.44

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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.