Home / 3,856,860,869.25-5,322,512,690.91-2,140,245,268.86

Finding the Fourth Proportional to 3,856,860,869.25, 5,322,512,690.91 and 2,140,245,268.86

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Solution

The fourth proportional to 3,856,860,869.25, 5,322,512,690.91 and 2,140,245,268.86 is: 2,953,563,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,860,869.25 : 5,322,512,690.91 = 2,140,245,268.86 : x
  2. Step 2: Convert to fraction form
    3,856,860,869.25/5,322,512,690.91 = 2,140,245,268.86/x
  3. Step 3: Cross multiply
    3,856,860,869.25x = 5,322,512,690.91 × 2,140,245,268.86
  4. Step 4: Simplify right side
    3,856,860,869.25x = 11,391,482,605,167,433,728
  5. Step 5: Solve for x
    x = 11,391,482,605,167,433,728/3,856,860,869.25
  6. Step 6: Final answer
    x = 2,953,563,271.10

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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.