Home / 7,668,994,406.80-11,503,491,610.20-3,949,757,712.40

Finding the Fourth Proportional to 7,668,994,406.80, 11,503,491,610.20 and 3,949,757,712.40

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Solution

The fourth proportional to 7,668,994,406.80, 11,503,491,610.20 and 3,949,757,712.40 is: 5,924,636,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,994,406.80 : 11,503,491,610.20 = 3,949,757,712.40 : x
  2. Step 2: Convert to fraction form
    7,668,994,406.80/11,503,491,610.20 = 3,949,757,712.40/x
  3. Step 3: Cross multiply
    7,668,994,406.80x = 11,503,491,610.20 × 3,949,757,712.40
  4. Step 4: Simplify right side
    7,668,994,406.80x = 45,436,004,706,916,147,200
  5. Step 5: Solve for x
    x = 45,436,004,706,916,147,200/7,668,994,406.80
  6. Step 6: Final answer
    x = 5,924,636,568.60

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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.