Home / 693,622,573.08-1,040,381,537.66-220,902,512.28

Finding the Fourth Proportional to 693,622,573.08, 1,040,381,537.66 and 220,902,512.28

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Solution

The fourth proportional to 693,622,573.08, 1,040,381,537.66 and 220,902,512.28 is: 331,337,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,622,573.08 : 1,040,381,537.66 = 220,902,512.28 : x
  2. Step 2: Convert to fraction form
    693,622,573.08/1,040,381,537.66 = 220,902,512.28/x
  3. Step 3: Cross multiply
    693,622,573.08x = 1,040,381,537.66 × 220,902,512.28
  4. Step 4: Simplify right side
    693,622,573.08x = 229,822,895,398,823,424
  5. Step 5: Solve for x
    x = 229,822,895,398,823,424/693,622,573.08
  6. Step 6: Final answer
    x = 331,337,105.10

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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.