Home / 12,918,948,493.13-19,378,422,717.82-3,104,296,105.13

Finding the Fourth Proportional to 12,918,948,493.13, 19,378,422,717.82 and 3,104,296,105.13

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Solution

The fourth proportional to 12,918,948,493.13, 19,378,422,717.82 and 3,104,296,105.13 is: 4,656,444,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,948,493.13 : 19,378,422,717.82 = 3,104,296,105.13 : x
  2. Step 2: Convert to fraction form
    12,918,948,493.13/19,378,422,717.82 = 3,104,296,105.13/x
  3. Step 3: Cross multiply
    12,918,948,493.13x = 19,378,422,717.82 × 3,104,296,105.13
  4. Step 4: Simplify right side
    12,918,948,493.13x = 60,156,362,166,388,236,288
  5. Step 5: Solve for x
    x = 60,156,362,166,388,236,288/12,918,948,493.13
  6. Step 6: Final answer
    x = 4,656,444,152.43

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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.