Home / 13,286,351,655.82-19,929,546,664.68-5,425,763,970.57

Finding the Fourth Proportional to 13,286,351,655.82, 19,929,546,664.68 and 5,425,763,970.57

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Solution

The fourth proportional to 13,286,351,655.82, 19,929,546,664.68 and 5,425,763,970.57 is: 8,138,653,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,351,655.82 : 19,929,546,664.68 = 5,425,763,970.57 : x
  2. Step 2: Convert to fraction form
    13,286,351,655.82/19,929,546,664.68 = 5,425,763,970.57/x
  3. Step 3: Cross multiply
    13,286,351,655.82x = 19,929,546,664.68 × 5,425,763,970.57
  4. Step 4: Simplify right side
    13,286,351,655.82x = 108,133,016,243,014,254,592
  5. Step 5: Solve for x
    x = 108,133,016,243,014,254,592/13,286,351,655.82
  6. Step 6: Final answer
    x = 8,138,653,788.80

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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.