Home / 827,458,000.20-1,241,187,000.30-282,217,321.80

Finding the Fourth Proportional to 827,458,000.20, 1,241,187,000.30 and 282,217,321.80

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Solution

The fourth proportional to 827,458,000.20, 1,241,187,000.30 and 282,217,321.80 is: 423,325,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,458,000.20 : 1,241,187,000.30 = 282,217,321.80 : x
  2. Step 2: Convert to fraction form
    827,458,000.20/1,241,187,000.30 = 282,217,321.80/x
  3. Step 3: Cross multiply
    827,458,000.20x = 1,241,187,000.30 × 282,217,321.80
  4. Step 4: Simplify right side
    827,458,000.20x = 350,284,471,077,641,792
  5. Step 5: Solve for x
    x = 350,284,471,077,641,792/827,458,000.20
  6. Step 6: Final answer
    x = 423,325,982.70

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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.