Home / 20,409,012,043.44-28,164,436,391.16-11,021,638,219.44

Finding the Fourth Proportional to 20,409,012,043.44, 28,164,436,391.16 and 11,021,638,219.44

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Solution

The fourth proportional to 20,409,012,043.44, 28,164,436,391.16 and 11,021,638,219.44 is: 15,209,860,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,012,043.44 : 28,164,436,391.16 = 11,021,638,219.44 : x
  2. Step 2: Convert to fraction form
    20,409,012,043.44/28,164,436,391.16 = 11,021,638,219.44/x
  3. Step 3: Cross multiply
    20,409,012,043.44x = 28,164,436,391.16 × 11,021,638,219.44
  4. Step 4: Simplify right side
    20,409,012,043.44x = 310,418,228,557,795,885,056
  5. Step 5: Solve for x
    x = 310,418,228,557,795,885,056/20,409,012,043.44
  6. Step 6: Final answer
    x = 15,209,860,619.27

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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.