Home / 825,121,324.80-1,237,256,834.40-307,285,214.40

Finding the Fourth Proportional to 825,121,324.80, 1,237,256,834.40 and 307,285,214.40

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Solution

The fourth proportional to 825,121,324.80, 1,237,256,834.40 and 307,285,214.40 is: 460,769,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,121,324.80 : 1,237,256,834.40 = 307,285,214.40 : x
  2. Step 2: Convert to fraction form
    825,121,324.80/1,237,256,834.40 = 307,285,214.40/x
  3. Step 3: Cross multiply
    825,121,324.80x = 1,237,256,834.40 × 307,285,214.40
  4. Step 4: Simplify right side
    825,121,324.80x = 380,190,731,626,469,312
  5. Step 5: Solve for x
    x = 380,190,731,626,469,312/825,121,324.80
  6. Step 6: Final answer
    x = 460,769,489.53

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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.