Home / 18,845,983,244.40-28,268,974,866.60-15,943,606,796.40

Finding the Fourth Proportional to 18,845,983,244.40, 28,268,974,866.60 and 15,943,606,796.40

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Solution

The fourth proportional to 18,845,983,244.40, 28,268,974,866.60 and 15,943,606,796.40 is: 23,915,410,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845,983,244.40 : 28,268,974,866.60 = 15,943,606,796.40 : x
  2. Step 2: Convert to fraction form
    18,845,983,244.40/28,268,974,866.60 = 15,943,606,796.40/x
  3. Step 3: Cross multiply
    18,845,983,244.40x = 28,268,974,866.60 × 15,943,606,796.40
  4. Step 4: Simplify right side
    18,845,983,244.40x = 450,709,419,810,384,510,976
  5. Step 5: Solve for x
    x = 450,709,419,810,384,510,976/18,845,983,244.40
  6. Step 6: Final answer
    x = 23,915,410,194.60

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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.