Home / 2,787,382,134.18-3,846,688,844.94-1,517,161,768.20

Finding the Fourth Proportional to 2,787,382,134.18, 3,846,688,844.94 and 1,517,161,768.20

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Solution

The fourth proportional to 2,787,382,134.18, 3,846,688,844.94 and 1,517,161,768.20 is: 2,093,738,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,382,134.18 : 3,846,688,844.94 = 1,517,161,768.20 : x
  2. Step 2: Convert to fraction form
    2,787,382,134.18/3,846,688,844.94 = 1,517,161,768.20/x
  3. Step 3: Cross multiply
    2,787,382,134.18x = 3,846,688,844.94 × 1,517,161,768.20
  4. Step 4: Simplify right side
    2,787,382,134.18x = 5,836,049,249,704,386,560
  5. Step 5: Solve for x
    x = 5,836,049,249,704,386,560/2,787,382,134.18
  6. Step 6: Final answer
    x = 2,093,738,486.07

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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.