Home / 3,171,356,031.82-4,757,003,754.40-1,928,129,737.60

Finding the Fourth Proportional to 3,171,356,031.82, 4,757,003,754.40 and 1,928,129,737.60

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Solution

The fourth proportional to 3,171,356,031.82, 4,757,003,754.40 and 1,928,129,737.60 is: 2,892,176,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,356,031.82 : 4,757,003,754.40 = 1,928,129,737.60 : x
  2. Step 2: Convert to fraction form
    3,171,356,031.82/4,757,003,754.40 = 1,928,129,737.60/x
  3. Step 3: Cross multiply
    3,171,356,031.82x = 4,757,003,754.40 × 1,928,129,737.60
  4. Step 4: Simplify right side
    3,171,356,031.82x = 9,172,120,400,733,486,080
  5. Step 5: Solve for x
    x = 9,172,120,400,733,486,080/3,171,356,031.82
  6. Step 6: Final answer
    x = 2,892,176,188.58

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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.