Home / 20,165,692,500.09-27,831,095,912.15-11,477,260,075.80

Finding the Fourth Proportional to 20,165,692,500.09, 27,831,095,912.15 and 11,477,260,075.80

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Solution

The fourth proportional to 20,165,692,500.09, 27,831,095,912.15 and 11,477,260,075.80 is: 15,840,007,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,692,500.09 : 27,831,095,912.15 = 11,477,260,075.80 : x
  2. Step 2: Convert to fraction form
    20,165,692,500.09/27,831,095,912.15 = 11,477,260,075.80/x
  3. Step 3: Cross multiply
    20,165,692,500.09x = 27,831,095,912.15 × 11,477,260,075.80
  4. Step 4: Simplify right side
    20,165,692,500.09x = 319,424,725,978,233,831,424
  5. Step 5: Solve for x
    x = 319,424,725,978,233,831,424/20,165,692,500.09
  6. Step 6: Final answer
    x = 15,840,007,774.43

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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.