Home / 20,165,692,503.10-27,831,095,916.28-11,477,260,078.80

Finding the Fourth Proportional to 20,165,692,503.10, 27,831,095,916.28 and 11,477,260,078.80

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Solution

The fourth proportional to 20,165,692,503.10, 27,831,095,916.28 and 11,477,260,078.80 is: 15,840,007,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,692,503.10 : 27,831,095,916.28 = 11,477,260,078.80 : x
  2. Step 2: Convert to fraction form
    20,165,692,503.10/27,831,095,916.28 = 11,477,260,078.80/x
  3. Step 3: Cross multiply
    20,165,692,503.10x = 27,831,095,916.28 × 11,477,260,078.80
  4. Step 4: Simplify right side
    20,165,692,503.10x = 319,424,726,109,174,104,064
  5. Step 5: Solve for x
    x = 319,424,726,109,174,104,064/20,165,692,503.10
  6. Step 6: Final answer
    x = 15,840,007,778.56

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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.