Home / 3,761,863,758.20-5,191,471,856.40-2,068,389,818.12

Finding the Fourth Proportional to 3,761,863,758.20, 5,191,471,856.40 and 2,068,389,818.12

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Solution

The fourth proportional to 3,761,863,758.20, 5,191,471,856.40 and 2,068,389,818.12 is: 2,854,432,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,863,758.20 : 5,191,471,856.40 = 2,068,389,818.12 : x
  2. Step 2: Convert to fraction form
    3,761,863,758.20/5,191,471,856.40 = 2,068,389,818.12/x
  3. Step 3: Cross multiply
    3,761,863,758.20x = 5,191,471,856.40 × 2,068,389,818.12
  4. Step 4: Simplify right side
    3,761,863,758.20x = 10,737,987,528,834,293,760
  5. Step 5: Solve for x
    x = 10,737,987,528,834,293,760/3,761,863,758.20
  6. Step 6: Final answer
    x = 2,854,432,860.69

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1.5x scale

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.