Home / 21,950,095,663.40-30,291,131,971.26-12,434,647,399.97

Finding the Fourth Proportional to 21,950,095,663.40, 30,291,131,971.26 and 12,434,647,399.97

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Solution

The fourth proportional to 21,950,095,663.40, 30,291,131,971.26 and 12,434,647,399.97 is: 17,159,813,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950,095,663.40 : 30,291,131,971.26 = 12,434,647,399.97 : x
  2. Step 2: Convert to fraction form
    21,950,095,663.40/30,291,131,971.26 = 12,434,647,399.97/x
  3. Step 3: Cross multiply
    21,950,095,663.40x = 30,291,131,971.26 × 12,434,647,399.97
  4. Step 4: Simplify right side
    21,950,095,663.40x = 376,659,545,408,424,837,120
  5. Step 5: Solve for x
    x = 376,659,545,408,424,837,120/21,950,095,663.40
  6. Step 6: Final answer
    x = 17,159,813,386.90

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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.