Home / 7,378,191,237.60-11,067,286,856.40-2,137,970,401.20

Finding the Fourth Proportional to 7,378,191,237.60, 11,067,286,856.40 and 2,137,970,401.20

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Solution

The fourth proportional to 7,378,191,237.60, 11,067,286,856.40 and 2,137,970,401.20 is: 3,206,955,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,191,237.60 : 11,067,286,856.40 = 2,137,970,401.20 : x
  2. Step 2: Convert to fraction form
    7,378,191,237.60/11,067,286,856.40 = 2,137,970,401.20/x
  3. Step 3: Cross multiply
    7,378,191,237.60x = 11,067,286,856.40 × 2,137,970,401.20
  4. Step 4: Simplify right side
    7,378,191,237.60x = 23,661,531,720,572,993,536
  5. Step 5: Solve for x
    x = 23,661,531,720,572,993,536/7,378,191,237.60
  6. Step 6: Final answer
    x = 3,206,955,601.80

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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.