Home / 2,543,241,720.36-3,815,044,183.89-677,877,644.85

Finding the Fourth Proportional to 2,543,241,720.36, 3,815,044,183.89 and 677,877,644.85

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Solution

The fourth proportional to 2,543,241,720.36, 3,815,044,183.89 and 677,877,644.85 is: 1,016,864,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,241,720.36 : 3,815,044,183.89 = 677,877,644.85 : x
  2. Step 2: Convert to fraction form
    2,543,241,720.36/3,815,044,183.89 = 677,877,644.85/x
  3. Step 3: Cross multiply
    2,543,241,720.36x = 3,815,044,183.89 × 677,877,644.85
  4. Step 4: Simplify right side
    2,543,241,720.36x = 2,586,133,166,374,043,648
  5. Step 5: Solve for x
    x = 2,586,133,166,374,043,648/2,543,241,720.36
  6. Step 6: Final answer
    x = 1,016,864,871.97

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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.