Home / 20,165,692,503.60-27,831,095,916.98-11,477,260,079.30

Finding the Fourth Proportional to 20,165,692,503.60, 27,831,095,916.98 and 11,477,260,079.30

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Solution

The fourth proportional to 20,165,692,503.60, 27,831,095,916.98 and 11,477,260,079.30 is: 15,840,007,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,692,503.60 : 27,831,095,916.98 = 11,477,260,079.30 : x
  2. Step 2: Convert to fraction form
    20,165,692,503.60/27,831,095,916.98 = 11,477,260,079.30/x
  3. Step 3: Cross multiply
    20,165,692,503.60x = 27,831,095,916.98 × 11,477,260,079.30
  4. Step 4: Simplify right side
    20,165,692,503.60x = 319,424,726,131,123,748,864
  5. Step 5: Solve for x
    x = 319,424,726,131,123,748,864/20,165,692,503.60
  6. Step 6: Final answer
    x = 15,840,007,779.26

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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.