Home / 694,460,643.44-957,919,765.43-412,003,109.03

Finding the Fourth Proportional to 694,460,643.44, 957,919,765.43 and 412,003,109.03

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Solution

The fourth proportional to 694,460,643.44, 957,919,765.43 and 412,003,109.03 is: 568,305,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,460,643.44 : 957,919,765.43 = 412,003,109.03 : x
  2. Step 2: Convert to fraction form
    694,460,643.44/957,919,765.43 = 412,003,109.03/x
  3. Step 3: Cross multiply
    694,460,643.44x = 957,919,765.43 × 412,003,109.03
  4. Step 4: Simplify right side
    694,460,643.44x = 394,665,921,554,688,704
  5. Step 5: Solve for x
    x = 394,665,921,554,688,704/694,460,643.44
  6. Step 6: Final answer
    x = 568,305,670.43

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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.