Home / 551,212,120.10-826,979,604.03-163,045,287.38

Finding the Fourth Proportional to 551,212,120.10, 826,979,604.03 and 163,045,287.38

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Solution

The fourth proportional to 551,212,120.10, 826,979,604.03 and 163,045,287.38 is: 244,615,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,212,120.10 : 826,979,604.03 = 163,045,287.38 : x
  2. Step 2: Convert to fraction form
    551,212,120.10/826,979,604.03 = 163,045,287.38/x
  3. Step 3: Cross multiply
    551,212,120.10x = 826,979,604.03 × 163,045,287.38
  4. Step 4: Simplify right side
    551,212,120.10x = 134,835,127,192,335,056
  5. Step 5: Solve for x
    x = 134,835,127,192,335,056/551,212,120.10
  6. Step 6: Final answer
    x = 244,615,679.29

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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.