Home / 10,534,269,786.20-15,785,280,365.70-9,953,794,496.60

Finding the Fourth Proportional to 10,534,269,786.20, 15,785,280,365.70 and 9,953,794,496.60

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Solution

The fourth proportional to 10,534,269,786.20, 15,785,280,365.70 and 9,953,794,496.60 is: 14,915,455,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534,269,786.20 : 15,785,280,365.70 = 9,953,794,496.60 : x
  2. Step 2: Convert to fraction form
    10,534,269,786.20/15,785,280,365.70 = 9,953,794,496.60/x
  3. Step 3: Cross multiply
    10,534,269,786.20x = 15,785,280,365.70 × 9,953,794,496.60
  4. Step 4: Simplify right side
    10,534,269,786.20x = 157,123,436,831,392,694,272
  5. Step 5: Solve for x
    x = 157,123,436,831,392,694,272/10,534,269,786.20
  6. Step 6: Final answer
    x = 14,915,455,937.65

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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.