Home / 1,381,365,430,046.50-1,906,156,365,370.80-764,054,861,906.25

Finding the Fourth Proportional to 1,381,365,430,046.50, 1,906,156,365,370.80 and 764,054,861,906.25

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Solution

The fourth proportional to 1,381,365,430,046.50, 1,906,156,365,370.80 and 764,054,861,906.25 is: 1,054,324,950,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,365,430,046.50 : 1,906,156,365,370.80 = 764,054,861,906.25 : x
  2. Step 2: Convert to fraction form
    1,381,365,430,046.50/1,906,156,365,370.80 = 764,054,861,906.25/x
  3. Step 3: Cross multiply
    1,381,365,430,046.50x = 1,906,156,365,370.80 × 764,054,861,906.25
  4. Step 4: Simplify right side
    1,381,365,430,046.50x = 1,456,408,038,515,105,983,365,120
  5. Step 5: Solve for x
    x = 1,456,408,038,515,105,983,365,120/1,381,365,430,046.50
  6. Step 6: Final answer
    x = 1,054,324,950,397.87

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.