Home / 18,458,388,908.75-25,472,244,652.61-10,429,557,065.95

Finding the Fourth Proportional to 18,458,388,908.75, 25,472,244,652.61 and 10,429,557,065.95

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Solution

The fourth proportional to 18,458,388,908.75, 25,472,244,652.61 and 10,429,557,065.95 is: 14,392,601,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,388,908.75 : 25,472,244,652.61 = 10,429,557,065.95 : x
  2. Step 2: Convert to fraction form
    18,458,388,908.75/25,472,244,652.61 = 10,429,557,065.95/x
  3. Step 3: Cross multiply
    18,458,388,908.75x = 25,472,244,652.61 × 10,429,557,065.95
  4. Step 4: Simplify right side
    18,458,388,908.75x = 265,664,229,202,183,585,792
  5. Step 5: Solve for x
    x = 265,664,229,202,183,585,792/18,458,388,908.75
  6. Step 6: Final answer
    x = 14,392,601,137.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.