Home / 13,436,939,233.60-20,155,408,850.40-12,892,743,649.60

Finding the Fourth Proportional to 13,436,939,233.60, 20,155,408,850.40 and 12,892,743,649.60

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Solution

The fourth proportional to 13,436,939,233.60, 20,155,408,850.40 and 12,892,743,649.60 is: 19,339,115,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,939,233.60 : 20,155,408,850.40 = 12,892,743,649.60 : x
  2. Step 2: Convert to fraction form
    13,436,939,233.60/20,155,408,850.40 = 12,892,743,649.60/x
  3. Step 3: Cross multiply
    13,436,939,233.60x = 20,155,408,850.40 × 12,892,743,649.60
  4. Step 4: Simplify right side
    13,436,939,233.60x = 259,858,519,461,086,265,344
  5. Step 5: Solve for x
    x = 259,858,519,461,086,265,344/13,436,939,233.60
  6. Step 6: Final answer
    x = 19,339,115,474.40

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1.5x scale

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.