Home / 412,287,198.01-617,084,888.05-303,083,464.57

Finding the Fourth Proportional to 412,287,198.01, 617,084,888.05 and 303,083,464.57

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Solution

The fourth proportional to 412,287,198.01, 617,084,888.05 and 303,083,464.57 is: 453,635,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,287,198.01 : 617,084,888.05 = 303,083,464.57 : x
  2. Step 2: Convert to fraction form
    412,287,198.01/617,084,888.05 = 303,083,464.57/x
  3. Step 3: Cross multiply
    412,287,198.01x = 617,084,888.05 × 303,083,464.57
  4. Step 4: Simplify right side
    412,287,198.01x = 187,028,225,802,817,696
  5. Step 5: Solve for x
    x = 187,028,225,802,817,696/412,287,198.01
  6. Step 6: Final answer
    x = 453,635,782.79

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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.