Home / 28,278,469,538.58-42,422,062,788.43-9,641,606,915.24

Finding the Fourth Proportional to 28,278,469,538.58, 42,422,062,788.43 and 9,641,606,915.24

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Solution

The fourth proportional to 28,278,469,538.58, 42,422,062,788.43 and 9,641,606,915.24 is: 14,463,896,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,469,538.58 : 42,422,062,788.43 = 9,641,606,915.24 : x
  2. Step 2: Convert to fraction form
    28,278,469,538.58/42,422,062,788.43 = 9,641,606,915.24/x
  3. Step 3: Cross multiply
    28,278,469,538.58x = 42,422,062,788.43 × 9,641,606,915.24
  4. Step 4: Simplify right side
    28,278,469,538.58x = 409,016,853,939,601,997,824
  5. Step 5: Solve for x
    x = 409,016,853,939,601,997,824/28,278,469,538.58
  6. Step 6: Final answer
    x = 14,463,896,406.47

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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.