Home / 13,451,509,906.60-20,177,264,859.90-7,175,297,984.80

Finding the Fourth Proportional to 13,451,509,906.60, 20,177,264,859.90 and 7,175,297,984.80

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Solution

The fourth proportional to 13,451,509,906.60, 20,177,264,859.90 and 7,175,297,984.80 is: 10,762,946,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,509,906.60 : 20,177,264,859.90 = 7,175,297,984.80 : x
  2. Step 2: Convert to fraction form
    13,451,509,906.60/20,177,264,859.90 = 7,175,297,984.80/x
  3. Step 3: Cross multiply
    13,451,509,906.60x = 20,177,264,859.90 × 7,175,297,984.80
  4. Step 4: Simplify right side
    13,451,509,906.60x = 144,777,887,888,016,343,040
  5. Step 5: Solve for x
    x = 144,777,887,888,016,343,040/13,451,509,906.60
  6. Step 6: Final answer
    x = 10,762,946,977.20

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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.