Home / 14,265,332,522.87-21,379,384,440.45-7,969,507,438.82

Finding the Fourth Proportional to 14,265,332,522.87, 21,379,384,440.45 and 7,969,507,438.82

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Solution

The fourth proportional to 14,265,332,522.87, 21,379,384,440.45 and 7,969,507,438.82 is: 11,943,862,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265,332,522.87 : 21,379,384,440.45 = 7,969,507,438.82 : x
  2. Step 2: Convert to fraction form
    14,265,332,522.87/21,379,384,440.45 = 7,969,507,438.82/x
  3. Step 3: Cross multiply
    14,265,332,522.87x = 21,379,384,440.45 × 7,969,507,438.82
  4. Step 4: Simplify right side
    14,265,332,522.87x = 170,383,163,335,451,934,720
  5. Step 5: Solve for x
    x = 170,383,163,335,451,934,720/14,265,332,522.87
  6. Step 6: Final answer
    x = 11,943,862,020.91

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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.