Home / 13,286,351,654.82-19,929,546,663.18-5,425,763,969.57

Finding the Fourth Proportional to 13,286,351,654.82, 19,929,546,663.18 and 5,425,763,969.57

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Solution

The fourth proportional to 13,286,351,654.82, 19,929,546,663.18 and 5,425,763,969.57 is: 8,138,653,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,351,654.82 : 19,929,546,663.18 = 5,425,763,969.57 : x
  2. Step 2: Convert to fraction form
    13,286,351,654.82/19,929,546,663.18 = 5,425,763,969.57/x
  3. Step 3: Cross multiply
    13,286,351,654.82x = 19,929,546,663.18 × 5,425,763,969.57
  4. Step 4: Simplify right side
    13,286,351,654.82x = 108,133,016,214,846,406,656
  5. Step 5: Solve for x
    x = 108,133,016,214,846,406,656/13,286,351,654.82
  6. Step 6: Final answer
    x = 8,138,653,787.30

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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.