Home / 13,907,919,489.85-19,197,921,223.19-8,269,121,889.26

Finding the Fourth Proportional to 13,907,919,489.85, 19,197,921,223.19 and 8,269,121,889.26

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Solution

The fourth proportional to 13,907,919,489.85, 19,197,921,223.19 and 8,269,121,889.26 is: 11,414,356,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,919,489.85 : 19,197,921,223.19 = 8,269,121,889.26 : x
  2. Step 2: Convert to fraction form
    13,907,919,489.85/19,197,921,223.19 = 8,269,121,889.26/x
  3. Step 3: Cross multiply
    13,907,919,489.85x = 19,197,921,223.19 × 8,269,121,889.26
  4. Step 4: Simplify right side
    13,907,919,489.85x = 158,749,950,614,969,417,728
  5. Step 5: Solve for x
    x = 158,749,950,614,969,417,728/13,907,919,489.85
  6. Step 6: Final answer
    x = 11,414,356,455.75

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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.