Home / 13,436,939,234.60-20,155,408,851.90-12,892,743,650.60

Finding the Fourth Proportional to 13,436,939,234.60, 20,155,408,851.90 and 12,892,743,650.60

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Solution

The fourth proportional to 13,436,939,234.60, 20,155,408,851.90 and 12,892,743,650.60 is: 19,339,115,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,939,234.60 : 20,155,408,851.90 = 12,892,743,650.60 : x
  2. Step 2: Convert to fraction form
    13,436,939,234.60/20,155,408,851.90 = 12,892,743,650.60/x
  3. Step 3: Cross multiply
    13,436,939,234.60x = 20,155,408,851.90 × 12,892,743,650.60
  4. Step 4: Simplify right side
    13,436,939,234.60x = 259,858,519,500,580,782,080
  5. Step 5: Solve for x
    x = 259,858,519,500,580,782,080/13,436,939,234.60
  6. Step 6: Final answer
    x = 19,339,115,475.90

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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.