Home / 28,278,469,342.55-42,422,062,494.47-9,641,606,719.20

Finding the Fourth Proportional to 28,278,469,342.55, 42,422,062,494.47 and 9,641,606,719.20

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Solution

The fourth proportional to 28,278,469,342.55, 42,422,062,494.47 and 9,641,606,719.20 is: 14,463,896,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,469,342.55 : 42,422,062,494.47 = 9,641,606,719.20 : x
  2. Step 2: Convert to fraction form
    28,278,469,342.55/42,422,062,494.47 = 9,641,606,719.20/x
  3. Step 3: Cross multiply
    28,278,469,342.55x = 42,422,062,494.47 × 9,641,606,719.20
  4. Step 4: Simplify right side
    28,278,469,342.55x = 409,016,842,788,956,078,080
  5. Step 5: Solve for x
    x = 409,016,842,788,956,078,080/28,278,469,342.55
  6. Step 6: Final answer
    x = 14,463,896,112.42

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1.5x scale

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.