Home / 13,394,383,165-18,486,008,891.22-7,680,903,488.20

Finding the Fourth Proportional to 13,394,383,165, 18,486,008,891.22 and 7,680,903,488.20

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Solution

The fourth proportional to 13,394,383,165, 18,486,008,891.22 and 7,680,903,488.20 is: 10,600,656,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,383,165 : 18,486,008,891.22 = 7,680,903,488.20 : x
  2. Step 2: Convert to fraction form
    13,394,383,165/18,486,008,891.22 = 7,680,903,488.20/x
  3. Step 3: Cross multiply
    13,394,383,165x = 18,486,008,891.22 × 7,680,903,488.20
  4. Step 4: Simplify right side
    13,394,383,165x = 141,989,250,175,467,913,216
  5. Step 5: Solve for x
    x = 141,989,250,175,467,913,216/13,394,383,165
  6. Step 6: Final answer
    x = 10,600,656,142.68

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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.