Home / 628,614,469.82-943,067,602.18-214,094,882.34

Finding the Fourth Proportional to 628,614,469.82, 943,067,602.18 and 214,094,882.34

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Solution

The fourth proportional to 628,614,469.82, 943,067,602.18 and 214,094,882.34 is: 321,192,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,614,469.82 : 943,067,602.18 = 214,094,882.34 : x
  2. Step 2: Convert to fraction form
    628,614,469.82/943,067,602.18 = 214,094,882.34/x
  3. Step 3: Cross multiply
    628,614,469.82x = 943,067,602.18 × 214,094,882.34
  4. Step 4: Simplify right side
    628,614,469.82x = 201,905,947,327,393,024
  5. Step 5: Solve for x
    x = 201,905,947,327,393,024/628,614,469.82
  6. Step 6: Final answer
    x = 321,192,013.58

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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.