Home / 13,603,146,083.80-20,404,719,125.70-12,828,305,105.80

Finding the Fourth Proportional to 13,603,146,083.80, 20,404,719,125.70 and 12,828,305,105.80

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Solution

The fourth proportional to 13,603,146,083.80, 20,404,719,125.70 and 12,828,305,105.80 is: 19,242,457,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,146,083.80 : 20,404,719,125.70 = 12,828,305,105.80 : x
  2. Step 2: Convert to fraction form
    13,603,146,083.80/20,404,719,125.70 = 12,828,305,105.80/x
  3. Step 3: Cross multiply
    13,603,146,083.80x = 20,404,719,125.70 × 12,828,305,105.80
  4. Step 4: Simplify right side
    13,603,146,083.80x = 261,757,962,542,632,206,336
  5. Step 5: Solve for x
    x = 261,757,962,542,632,206,336/13,603,146,083.80
  6. Step 6: Final answer
    x = 19,242,457,658.70

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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.