Home / 809,855,685-1,214,990,680.26-235,427,013

Finding the Fourth Proportional to 809,855,685, 1,214,990,680.26 and 235,427,013

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Solution

The fourth proportional to 809,855,685, 1,214,990,680.26 and 235,427,013 is: 353,200,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,855,685 : 1,214,990,680.26 = 235,427,013 : x
  2. Step 2: Convert to fraction form
    809,855,685/1,214,990,680.26 = 235,427,013/x
  3. Step 3: Cross multiply
    809,855,685x = 1,214,990,680.26 × 235,427,013
  4. Step 4: Simplify right side
    809,855,685x = 286,041,626,676,449,856
  5. Step 5: Solve for x
    x = 286,041,626,676,449,856/809,855,685
  6. Step 6: Final answer
    x = 353,200,739.31

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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.