Home / 20,165,689,970.28-27,831,092,484.51-11,477,257,660.73

Finding the Fourth Proportional to 20,165,689,970.28, 27,831,092,484.51 and 11,477,257,660.73

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Solution

The fourth proportional to 20,165,689,970.28, 27,831,092,484.51 and 11,477,257,660.73 is: 15,840,004,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,689,970.28 : 27,831,092,484.51 = 11,477,257,660.73 : x
  2. Step 2: Convert to fraction form
    20,165,689,970.28/27,831,092,484.51 = 11,477,257,660.73/x
  3. Step 3: Cross multiply
    20,165,689,970.28x = 27,831,092,484.51 × 11,477,257,660.73
  4. Step 4: Simplify right side
    20,165,689,970.28x = 319,424,619,424,411,025,408
  5. Step 5: Solve for x
    x = 319,424,619,424,411,025,408/20,165,689,970.28
  6. Step 6: Final answer
    x = 15,840,004,477.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.