Home / 2,257,421,520.85-3,386,568,348.05-858,297,007.57

Finding the Fourth Proportional to 2,257,421,520.85, 3,386,568,348.05 and 858,297,007.57

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Solution

The fourth proportional to 2,257,421,520.85, 3,386,568,348.05 and 858,297,007.57 is: 1,287,611,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,421,520.85 : 3,386,568,348.05 = 858,297,007.57 : x
  2. Step 2: Convert to fraction form
    2,257,421,520.85/3,386,568,348.05 = 858,297,007.57/x
  3. Step 3: Cross multiply
    2,257,421,520.85x = 3,386,568,348.05 × 858,297,007.57
  4. Step 4: Simplify right side
    2,257,421,520.85x = 2,906,681,479,054,127,104
  5. Step 5: Solve for x
    x = 2,906,681,479,054,127,104/2,257,421,520.85
  6. Step 6: Final answer
    x = 1,287,611,308.84

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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.