Home / 20,165,692,505.10-27,831,095,919.04-11,477,260,080.80

Finding the Fourth Proportional to 20,165,692,505.10, 27,831,095,919.04 and 11,477,260,080.80

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Solution

The fourth proportional to 20,165,692,505.10, 27,831,095,919.04 and 11,477,260,080.80 is: 15,840,007,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,692,505.10 : 27,831,095,919.04 = 11,477,260,080.80 : x
  2. Step 2: Convert to fraction form
    20,165,692,505.10/27,831,095,919.04 = 11,477,260,080.80/x
  3. Step 3: Cross multiply
    20,165,692,505.10x = 27,831,095,919.04 × 11,477,260,080.80
  4. Step 4: Simplify right side
    20,165,692,505.10x = 319,424,726,196,513,538,048
  5. Step 5: Solve for x
    x = 319,424,726,196,513,538,048/20,165,692,505.10
  6. Step 6: Final answer
    x = 15,840,007,781.32

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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.