Home / 20,165,693,065.77-27,831,096,690.39-11,477,260,639.92

Finding the Fourth Proportional to 20,165,693,065.77, 27,831,096,690.39 and 11,477,260,639.92

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Solution

The fourth proportional to 20,165,693,065.77, 27,831,096,690.39 and 11,477,260,639.92 is: 15,840,008,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,693,065.77 : 27,831,096,690.39 = 11,477,260,639.92 : x
  2. Step 2: Convert to fraction form
    20,165,693,065.77/27,831,096,690.39 = 11,477,260,639.92/x
  3. Step 3: Cross multiply
    20,165,693,065.77x = 27,831,096,690.39 × 11,477,260,639.92
  4. Step 4: Simplify right side
    20,165,693,065.77x = 319,424,750,610,420,924,416
  5. Step 5: Solve for x
    x = 319,424,750,610,420,924,416/20,165,693,065.77
  6. Step 6: Final answer
    x = 15,840,008,551.58

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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.