Home / 2,158,408,712.22-3,237,921,910.31-664,566,652.11

Finding the Fourth Proportional to 2,158,408,712.22, 3,237,921,910.31 and 664,566,652.11

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Solution

The fourth proportional to 2,158,408,712.22, 3,237,921,910.31 and 664,566,652.11 is: 996,945,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,408,712.22 : 3,237,921,910.31 = 664,566,652.11 : x
  2. Step 2: Convert to fraction form
    2,158,408,712.22/3,237,921,910.31 = 664,566,652.11/x
  3. Step 3: Cross multiply
    2,158,408,712.22x = 3,237,921,910.31 × 664,566,652.11
  4. Step 4: Simplify right side
    2,158,408,712.22x = 2,151,814,923,737,151,488
  5. Step 5: Solve for x
    x = 2,151,814,923,737,151,488/2,158,408,712.22
  6. Step 6: Final answer
    x = 996,945,069.56

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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.