Home / 12,869,910,402.21-19,304,927,258.79-3,906,177,532.45

Finding the Fourth Proportional to 12,869,910,402.21, 19,304,927,258.79 and 3,906,177,532.45

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Solution

The fourth proportional to 12,869,910,402.21, 19,304,927,258.79 and 3,906,177,532.45 is: 5,859,285,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,910,402.21 : 19,304,927,258.79 = 3,906,177,532.45 : x
  2. Step 2: Convert to fraction form
    12,869,910,402.21/19,304,927,258.79 = 3,906,177,532.45/x
  3. Step 3: Cross multiply
    12,869,910,402.21x = 19,304,927,258.79 × 3,906,177,532.45
  4. Step 4: Simplify right side
    12,869,910,402.21x = 75,408,473,123,832,446,976
  5. Step 5: Solve for x
    x = 75,408,473,123,832,446,976/12,869,910,402.21
  6. Step 6: Final answer
    x = 5,859,285,011.87

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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.