Home / 5,131,732,663.44-7,081,790,786.28-2,784,889,207.44

Finding the Fourth Proportional to 5,131,732,663.44, 7,081,790,786.28 and 2,784,889,207.44

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Solution

The fourth proportional to 5,131,732,663.44, 7,081,790,786.28 and 2,784,889,207.44 is: 3,843,146,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,732,663.44 : 7,081,790,786.28 = 2,784,889,207.44 : x
  2. Step 2: Convert to fraction form
    5,131,732,663.44/7,081,790,786.28 = 2,784,889,207.44/x
  3. Step 3: Cross multiply
    5,131,732,663.44x = 7,081,790,786.28 × 2,784,889,207.44
  4. Step 4: Simplify right side
    5,131,732,663.44x = 19,722,002,730,059,202,560
  5. Step 5: Solve for x
    x = 19,722,002,730,059,202,560/5,131,732,663.44
  6. Step 6: Final answer
    x = 3,843,146,949.29

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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.