Home / 13,698,131,876.20-18,902,267,439.78-7,594,647,299.56

Finding the Fourth Proportional to 13,698,131,876.20, 18,902,267,439.78 and 7,594,647,299.56

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Solution

The fourth proportional to 13,698,131,876.20, 18,902,267,439.78 and 7,594,647,299.56 is: 10,479,973,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,131,876.20 : 18,902,267,439.78 = 7,594,647,299.56 : x
  2. Step 2: Convert to fraction form
    13,698,131,876.20/18,902,267,439.78 = 7,594,647,299.56/x
  3. Step 3: Cross multiply
    13,698,131,876.20x = 18,902,267,439.78 × 7,594,647,299.56
  4. Step 4: Simplify right side
    13,698,131,876.20x = 143,556,054,367,086,084,096
  5. Step 5: Solve for x
    x = 143,556,054,367,086,084,096/13,698,131,876.20
  6. Step 6: Final answer
    x = 10,479,973,157.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.