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Finding the Fourth Proportional to 625,046,843.05, 937,569,772.04 and 188,347,532.34

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Solution

The fourth proportional to 625,046,843.05, 937,569,772.04 and 188,347,532.34 is: 282,521,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,046,843.05 : 937,569,772.04 = 188,347,532.34 : x
  2. Step 2: Convert to fraction form
    625,046,843.05/937,569,772.04 = 188,347,532.34/x
  3. Step 3: Cross multiply
    625,046,843.05x = 937,569,772.04 × 188,347,532.34
  4. Step 4: Simplify right side
    625,046,843.05x = 176,588,952,960,310,336
  5. Step 5: Solve for x
    x = 176,588,952,960,310,336/625,046,843.05
  6. Step 6: Final answer
    x = 282,521,150.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.