Home / 10,481,940,525.96-15,730,719,653.88-7,691,120,744.40

Finding the Fourth Proportional to 10,481,940,525.96, 15,730,719,653.88 and 7,691,120,744.40

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Solution

The fourth proportional to 10,481,940,525.96, 15,730,719,653.88 and 7,691,120,744.40 is: 11,542,410,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481,940,525.96 : 15,730,719,653.88 = 7,691,120,744.40 : x
  2. Step 2: Convert to fraction form
    10,481,940,525.96/15,730,719,653.88 = 7,691,120,744.40/x
  3. Step 3: Cross multiply
    10,481,940,525.96x = 15,730,719,653.88 × 7,691,120,744.40
  4. Step 4: Simplify right side
    10,481,940,525.96x = 120,986,864,254,297,243,648
  5. Step 5: Solve for x
    x = 120,986,864,254,297,243,648/10,481,940,525.96
  6. Step 6: Final answer
    x = 11,542,410,868.93

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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.