Home / 547,240,976.76-755,192,957.14-296,345,643.65

Finding the Fourth Proportional to 547,240,976.76, 755,192,957.14 and 296,345,643.65

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Solution

The fourth proportional to 547,240,976.76, 755,192,957.14 and 296,345,643.65 is: 408,957,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,240,976.76 : 755,192,957.14 = 296,345,643.65 : x
  2. Step 2: Convert to fraction form
    547,240,976.76/755,192,957.14 = 296,345,643.65/x
  3. Step 3: Cross multiply
    547,240,976.76x = 755,192,957.14 × 296,345,643.65
  4. Step 4: Simplify right side
    547,240,976.76x = 223,798,142,963,037,152
  5. Step 5: Solve for x
    x = 223,798,142,963,037,152/547,240,976.76
  6. Step 6: Final answer
    x = 408,957,209.83

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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.