Home / 1,381,365,430,046-1,906,156,365,370.20-764,054,861,905.73

Finding the Fourth Proportional to 1,381,365,430,046, 1,906,156,365,370.20 and 764,054,861,905.73

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Solution

The fourth proportional to 1,381,365,430,046, 1,906,156,365,370.20 and 764,054,861,905.73 is: 1,054,324,950,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,365,430,046 : 1,906,156,365,370.20 = 764,054,861,905.73 : x
  2. Step 2: Convert to fraction form
    1,381,365,430,046/1,906,156,365,370.20 = 764,054,861,905.73/x
  3. Step 3: Cross multiply
    1,381,365,430,046x = 1,906,156,365,370.20 × 764,054,861,905.73
  4. Step 4: Simplify right side
    1,381,365,430,046x = 1,456,408,038,513,656,431,902,720
  5. Step 5: Solve for x
    x = 1,456,408,038,513,656,431,902,720/1,381,365,430,046
  6. Step 6: Final answer
    x = 1,054,324,950,397.20

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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.