Home / 8,189,512,720.16-12,284,618,679.48-3,216,312,375.44

Finding the Fourth Proportional to 8,189,512,720.16, 12,284,618,679.48 and 3,216,312,375.44

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Solution

The fourth proportional to 8,189,512,720.16, 12,284,618,679.48 and 3,216,312,375.44 is: 4,824,605,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,512,720.16 : 12,284,618,679.48 = 3,216,312,375.44 : x
  2. Step 2: Convert to fraction form
    8,189,512,720.16/12,284,618,679.48 = 3,216,312,375.44/x
  3. Step 3: Cross multiply
    8,189,512,720.16x = 12,284,618,679.48 × 3,216,312,375.44
  4. Step 4: Simplify right side
    8,189,512,720.16x = 39,511,171,086,372,913,152
  5. Step 5: Solve for x
    x = 39,511,171,086,372,913,152/8,189,512,720.16
  6. Step 6: Final answer
    x = 4,824,605,863.19

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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.