Home / 512,498,725.90-707,244,470.04-277,543,935.88

Finding the Fourth Proportional to 512,498,725.90, 707,244,470.04 and 277,543,935.88

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Solution

The fourth proportional to 512,498,725.90, 707,244,470.04 and 277,543,935.88 is: 383,008,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,498,725.90 : 707,244,470.04 = 277,543,935.88 : x
  2. Step 2: Convert to fraction form
    512,498,725.90/707,244,470.04 = 277,543,935.88/x
  3. Step 3: Cross multiply
    512,498,725.90x = 707,244,470.04 × 277,543,935.88
  4. Step 4: Simplify right side
    512,498,725.90x = 196,291,413,844,266,336
  5. Step 5: Solve for x
    x = 196,291,413,844,266,336/512,498,725.90
  6. Step 6: Final answer
    x = 383,008,588.95

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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.