Home / 20,787,491,369.25-31,168,784,653.20-6,616,335,834.18

Finding the Fourth Proportional to 20,787,491,369.25, 31,168,784,653.20 and 6,616,335,834.18

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Solution

The fourth proportional to 20,787,491,369.25, 31,168,784,653.20 and 6,616,335,834.18 is: 9,920,540,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787,491,369.25 : 31,168,784,653.20 = 6,616,335,834.18 : x
  2. Step 2: Convert to fraction form
    20,787,491,369.25/31,168,784,653.20 = 6,616,335,834.18/x
  3. Step 3: Cross multiply
    20,787,491,369.25x = 31,168,784,653.20 × 6,616,335,834.18
  4. Step 4: Simplify right side
    20,787,491,369.25x = 206,223,146,808,806,834,176
  5. Step 5: Solve for x
    x = 206,223,146,808,806,834,176/20,787,491,369.25
  6. Step 6: Final answer
    x = 9,920,540,345.42

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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.