Home / 14,265,332,521.62-21,379,384,438.57-7,969,507,437.57

Finding the Fourth Proportional to 14,265,332,521.62, 21,379,384,438.57 and 7,969,507,437.57

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Solution

The fourth proportional to 14,265,332,521.62, 21,379,384,438.57 and 7,969,507,437.57 is: 11,943,862,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265,332,521.62 : 21,379,384,438.57 = 7,969,507,437.57 : x
  2. Step 2: Convert to fraction form
    14,265,332,521.62/21,379,384,438.57 = 7,969,507,437.57/x
  3. Step 3: Cross multiply
    14,265,332,521.62x = 21,379,384,438.57 × 7,969,507,437.57
  4. Step 4: Simplify right side
    14,265,332,521.62x = 170,383,163,293,851,910,144
  5. Step 5: Solve for x
    x = 170,383,163,293,851,910,144/14,265,332,521.62
  6. Step 6: Final answer
    x = 11,943,862,019.03

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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.