Home / 28,278,469,343.55-42,422,062,495.97-9,641,606,720.20

Finding the Fourth Proportional to 28,278,469,343.55, 42,422,062,495.97 and 9,641,606,720.20

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Solution

The fourth proportional to 28,278,469,343.55, 42,422,062,495.97 and 9,641,606,720.20 is: 14,463,896,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,469,343.55 : 42,422,062,495.97 = 9,641,606,720.20 : x
  2. Step 2: Convert to fraction form
    28,278,469,343.55/42,422,062,495.97 = 9,641,606,720.20/x
  3. Step 3: Cross multiply
    28,278,469,343.55x = 42,422,062,495.97 × 9,641,606,720.20
  4. Step 4: Simplify right side
    28,278,469,343.55x = 409,016,842,845,888,774,144
  5. Step 5: Solve for x
    x = 409,016,842,845,888,774,144/28,278,469,343.55
  6. Step 6: Final answer
    x = 14,463,896,113.92

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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.