Home / 3,546,219,129.71-5,320,672,157.38-2,129,105,888.22

Finding the Fourth Proportional to 3,546,219,129.71, 5,320,672,157.38 and 2,129,105,888.22

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Solution

The fourth proportional to 3,546,219,129.71, 5,320,672,157.38 and 2,129,105,888.22 is: 3,194,465,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546,219,129.71 : 5,320,672,157.38 = 2,129,105,888.22 : x
  2. Step 2: Convert to fraction form
    3,546,219,129.71/5,320,672,157.38 = 2,129,105,888.22/x
  3. Step 3: Cross multiply
    3,546,219,129.71x = 5,320,672,157.38 × 2,129,105,888.22
  4. Step 4: Simplify right side
    3,546,219,129.71x = 11,328,274,419,560,644,608
  5. Step 5: Solve for x
    x = 11,328,274,419,560,644,608/3,546,219,129.71
  6. Step 6: Final answer
    x = 3,194,465,430.71

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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.