Home / 1,381,365,430,043-1,906,156,365,366-764,054,861,902.74

Finding the Fourth Proportional to 1,381,365,430,043, 1,906,156,365,366 and 764,054,861,902.74

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Solution

The fourth proportional to 1,381,365,430,043, 1,906,156,365,366 and 764,054,861,902.74 is: 1,054,324,950,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,365,430,043 : 1,906,156,365,366 = 764,054,861,902.74 : x
  2. Step 2: Convert to fraction form
    1,381,365,430,043/1,906,156,365,366 = 764,054,861,902.74/x
  3. Step 3: Cross multiply
    1,381,365,430,043x = 1,906,156,365,366 × 764,054,861,902.74
  4. Step 4: Simplify right side
    1,381,365,430,043x = 1,456,408,038,504,747,864,424,448
  5. Step 5: Solve for x
    x = 1,456,408,038,504,747,864,424,448/1,381,365,430,043
  6. Step 6: Final answer
    x = 1,054,324,950,393.04

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Double scale
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1.5x scale

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.