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Finding the Fourth Proportional to 398,644,714.70, 597,967,072.05 and 223,588,049.30

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Solution

The fourth proportional to 398,644,714.70, 597,967,072.05 and 223,588,049.30 is: 335,382,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,644,714.70 : 597,967,072.05 = 223,588,049.30 : x
  2. Step 2: Convert to fraction form
    398,644,714.70/597,967,072.05 = 223,588,049.30/x
  3. Step 3: Cross multiply
    398,644,714.70x = 597,967,072.05 × 223,588,049.30
  4. Step 4: Simplify right side
    398,644,714.70x = 133,698,291,185,292,048
  5. Step 5: Solve for x
    x = 133,698,291,185,292,048/398,644,714.70
  6. Step 6: Final answer
    x = 335,382,073.95

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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.