Home / 807,707,157.27-1,211,686,002.81-341,370,544.61

Finding the Fourth Proportional to 807,707,157.27, 1,211,686,002.81 and 341,370,544.61

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Solution

The fourth proportional to 807,707,157.27, 1,211,686,002.81 and 341,370,544.61 is: 512,108,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,707,157.27 : 1,211,686,002.81 = 341,370,544.61 : x
  2. Step 2: Convert to fraction form
    807,707,157.27/1,211,686,002.81 = 341,370,544.61/x
  3. Step 3: Cross multiply
    807,707,157.27x = 1,211,686,002.81 × 341,370,544.61
  4. Step 4: Simplify right side
    807,707,157.27x = 413,633,910,669,505,280
  5. Step 5: Solve for x
    x = 413,633,910,669,505,280/807,707,157.27
  6. Step 6: Final answer
    x = 512,108,759.90

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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.