Home / 20,165,693,079.02-27,831,096,708.72-11,477,260,653.20

Finding the Fourth Proportional to 20,165,693,079.02, 27,831,096,708.72 and 11,477,260,653.20

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Solution

The fourth proportional to 20,165,693,079.02, 27,831,096,708.72 and 11,477,260,653.20 is: 15,840,008,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,693,079.02 : 27,831,096,708.72 = 11,477,260,653.20 : x
  2. Step 2: Convert to fraction form
    20,165,693,079.02/27,831,096,708.72 = 11,477,260,653.20/x
  3. Step 3: Cross multiply
    20,165,693,079.02x = 27,831,096,708.72 × 11,477,260,653.20
  4. Step 4: Simplify right side
    20,165,693,079.02x = 319,424,751,190,396,108,800
  5. Step 5: Solve for x
    x = 319,424,751,190,396,108,800/20,165,693,079.02
  6. Step 6: Final answer
    x = 15,840,008,569.94

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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.