Home / 8,449,906,906.10-12,674,860,359.15-8,091,644,813.30

Finding the Fourth Proportional to 8,449,906,906.10, 12,674,860,359.15 and 8,091,644,813.30

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Solution

The fourth proportional to 8,449,906,906.10, 12,674,860,359.15 and 8,091,644,813.30 is: 12,137,467,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,906,906.10 : 12,674,860,359.15 = 8,091,644,813.30 : x
  2. Step 2: Convert to fraction form
    8,449,906,906.10/12,674,860,359.15 = 8,091,644,813.30/x
  3. Step 3: Cross multiply
    8,449,906,906.10x = 12,674,860,359.15 × 8,091,644,813.30
  4. Step 4: Simplify right side
    8,449,906,906.10x = 102,560,468,084,417,871,872
  5. Step 5: Solve for x
    x = 102,560,468,084,417,871,872/8,449,906,906.10
  6. Step 6: Final answer
    x = 12,137,467,219.95

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Double scale
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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.