Home / 13,286,351,653.32-19,929,546,660.93-5,425,763,968.07

Finding the Fourth Proportional to 13,286,351,653.32, 19,929,546,660.93 and 5,425,763,968.07

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Solution

The fourth proportional to 13,286,351,653.32, 19,929,546,660.93 and 5,425,763,968.07 is: 8,138,653,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,351,653.32 : 19,929,546,660.93 = 5,425,763,968.07 : x
  2. Step 2: Convert to fraction form
    13,286,351,653.32/19,929,546,660.93 = 5,425,763,968.07/x
  3. Step 3: Cross multiply
    13,286,351,653.32x = 19,929,546,660.93 × 5,425,763,968.07
  4. Step 4: Simplify right side
    13,286,351,653.32x = 108,133,016,172,819,857,408
  5. Step 5: Solve for x
    x = 108,133,016,172,819,857,408/13,286,351,653.32
  6. Step 6: Final answer
    x = 8,138,653,785.05

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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.