Home / 13,520,358,623.80-20,256,351,465.30-11,585,440,991.80

Finding the Fourth Proportional to 13,520,358,623.80, 20,256,351,465.30 and 11,585,440,991.80

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Solution

The fourth proportional to 13,520,358,623.80, 20,256,351,465.30 and 11,585,440,991.80 is: 17,357,436,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,358,623.80 : 20,256,351,465.30 = 11,585,440,991.80 : x
  2. Step 2: Convert to fraction form
    13,520,358,623.80/20,256,351,465.30 = 11,585,440,991.80/x
  3. Step 3: Cross multiply
    13,520,358,623.80x = 20,256,351,465.30 × 11,585,440,991.80
  4. Step 4: Simplify right side
    13,520,358,623.80x = 234,678,764,610,394,587,136
  5. Step 5: Solve for x
    x = 234,678,764,610,394,587,136/13,520,358,623.80
  6. Step 6: Final answer
    x = 17,357,436,377.26

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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.