Home / 694,460,643.06-957,919,764.92-412,003,108.65

Finding the Fourth Proportional to 694,460,643.06, 957,919,764.92 and 412,003,108.65

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Solution

The fourth proportional to 694,460,643.06, 957,919,764.92 and 412,003,108.65 is: 568,305,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,460,643.06 : 957,919,764.92 = 412,003,108.65 : x
  2. Step 2: Convert to fraction form
    694,460,643.06/957,919,764.92 = 412,003,108.65/x
  3. Step 3: Cross multiply
    694,460,643.06x = 957,919,764.92 × 412,003,108.65
  4. Step 4: Simplify right side
    694,460,643.06x = 394,665,920,982,257,152
  5. Step 5: Solve for x
    x = 394,665,920,982,257,152/694,460,643.06
  6. Step 6: Final answer
    x = 568,305,669.91

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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.