Home / 13,591,900,957.92-18,757,766,028.24-8,239,686,913.44

Finding the Fourth Proportional to 13,591,900,957.92, 18,757,766,028.24 and 8,239,686,913.44

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Solution

The fourth proportional to 13,591,900,957.92, 18,757,766,028.24 and 8,239,686,913.44 is: 11,371,339,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,900,957.92 : 18,757,766,028.24 = 8,239,686,913.44 : x
  2. Step 2: Convert to fraction form
    13,591,900,957.92/18,757,766,028.24 = 8,239,686,913.44/x
  3. Step 3: Cross multiply
    13,591,900,957.92x = 18,757,766,028.24 × 8,239,686,913.44
  4. Step 4: Simplify right side
    13,591,900,957.92x = 154,558,119,268,258,545,664
  5. Step 5: Solve for x
    x = 154,558,119,268,258,545,664/13,591,900,957.92
  6. Step 6: Final answer
    x = 11,371,339,428.29

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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.