Home / 20,165,689,969.98-27,831,092,484.08-11,477,257,660.42

Finding the Fourth Proportional to 20,165,689,969.98, 27,831,092,484.08 and 11,477,257,660.42

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Solution

The fourth proportional to 20,165,689,969.98, 27,831,092,484.08 and 11,477,257,660.42 is: 15,840,004,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,689,969.98 : 27,831,092,484.08 = 11,477,257,660.42 : x
  2. Step 2: Convert to fraction form
    20,165,689,969.98/27,831,092,484.08 = 11,477,257,660.42/x
  3. Step 3: Cross multiply
    20,165,689,969.98x = 27,831,092,484.08 × 11,477,257,660.42
  4. Step 4: Simplify right side
    20,165,689,969.98x = 319,424,619,410,764,660,736
  5. Step 5: Solve for x
    x = 319,424,619,410,764,660,736/20,165,689,969.98
  6. Step 6: Final answer
    x = 15,840,004,477.22

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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.