Home / 3,920,041,872-5,409,589,372.92-2,135,910,092.94

Finding the Fourth Proportional to 3,920,041,872, 5,409,589,372.92 and 2,135,910,092.94

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Solution

The fourth proportional to 3,920,041,872, 5,409,589,372.92 and 2,135,910,092.94 is: 2,947,518,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,041,872 : 5,409,589,372.92 = 2,135,910,092.94 : x
  2. Step 2: Convert to fraction form
    3,920,041,872/5,409,589,372.92 = 2,135,910,092.94/x
  3. Step 3: Cross multiply
    3,920,041,872x = 5,409,589,372.92 × 2,135,910,092.94
  4. Step 4: Simplify right side
    3,920,041,872x = 11,554,396,540,280,793,088
  5. Step 5: Solve for x
    x = 11,554,396,540,280,793,088/3,920,041,872
  6. Step 6: Final answer
    x = 2,947,518,653.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.