Home / 12,218,320,932.32-18,317,591,106.35-3,819,903,563.33

Finding the Fourth Proportional to 12,218,320,932.32, 18,317,591,106.35 and 3,819,903,563.33

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Solution

The fourth proportional to 12,218,320,932.32, 18,317,591,106.35 and 3,819,903,563.33 is: 5,726,763,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,320,932.32 : 18,317,591,106.35 = 3,819,903,563.33 : x
  2. Step 2: Convert to fraction form
    12,218,320,932.32/18,317,591,106.35 = 3,819,903,563.33/x
  3. Step 3: Cross multiply
    12,218,320,932.32x = 18,317,591,106.35 × 3,819,903,563.33
  4. Step 4: Simplify right side
    12,218,320,932.32x = 69,971,431,538,657,599,488
  5. Step 5: Solve for x
    x = 69,971,431,538,657,599,488/12,218,320,932.32
  6. Step 6: Final answer
    x = 5,726,763,270.19

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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.