Home / 16,989,163,325.90-25,484,766,478.13-5,198,383,949.21

Finding the Fourth Proportional to 16,989,163,325.90, 25,484,766,478.13 and 5,198,383,949.21

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Solution

The fourth proportional to 16,989,163,325.90, 25,484,766,478.13 and 5,198,383,949.21 is: 7,797,888,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989,163,325.90 : 25,484,766,478.13 = 5,198,383,949.21 : x
  2. Step 2: Convert to fraction form
    16,989,163,325.90/25,484,766,478.13 = 5,198,383,949.21/x
  3. Step 3: Cross multiply
    16,989,163,325.90x = 25,484,766,478.13 × 5,198,383,949.21
  4. Step 4: Simplify right side
    16,989,163,325.90x = 132,479,601,009,159,028,736
  5. Step 5: Solve for x
    x = 132,479,601,009,159,028,736/16,989,163,325.90
  6. Step 6: Final answer
    x = 7,797,888,481.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.