Home / 20,165,693,105.02-27,831,096,744.60-11,477,260,679.20

Finding the Fourth Proportional to 20,165,693,105.02, 27,831,096,744.60 and 11,477,260,679.20

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Solution

The fourth proportional to 20,165,693,105.02, 27,831,096,744.60 and 11,477,260,679.20 is: 15,840,008,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,693,105.02 : 27,831,096,744.60 = 11,477,260,679.20 : x
  2. Step 2: Convert to fraction form
    20,165,693,105.02/27,831,096,744.60 = 11,477,260,679.20/x
  3. Step 3: Cross multiply
    20,165,693,105.02x = 27,831,096,744.60 × 11,477,260,679.20
  4. Step 4: Simplify right side
    20,165,693,105.02x = 319,424,752,325,808,685,056
  5. Step 5: Solve for x
    x = 319,424,752,325,808,685,056/20,165,693,105.02
  6. Step 6: Final answer
    x = 15,840,008,605.82

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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.