Home / 13,436,942,406.60-20,155,413,609.90-12,892,746,822.60

Finding the Fourth Proportional to 13,436,942,406.60, 20,155,413,609.90 and 12,892,746,822.60

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Solution

The fourth proportional to 13,436,942,406.60, 20,155,413,609.90 and 12,892,746,822.60 is: 19,339,120,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,942,406.60 : 20,155,413,609.90 = 12,892,746,822.60 : x
  2. Step 2: Convert to fraction form
    13,436,942,406.60/20,155,413,609.90 = 12,892,746,822.60/x
  3. Step 3: Cross multiply
    13,436,942,406.60x = 20,155,413,609.90 × 12,892,746,822.60
  4. Step 4: Simplify right side
    13,436,942,406.60x = 259,858,644,777,227,059,200
  5. Step 5: Solve for x
    x = 259,858,644,777,227,059,200/13,436,942,406.60
  6. Step 6: Final answer
    x = 19,339,120,233.90

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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.