Home / 1,036,253,716.98-1,555,079,969.26-405,907,587.73

Finding the Fourth Proportional to 1,036,253,716.98, 1,555,079,969.26 and 405,907,587.73

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Solution

The fourth proportional to 1,036,253,716.98, 1,555,079,969.26 and 405,907,587.73 is: 609,135,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,716.98 : 1,555,079,969.26 = 405,907,587.73 : x
  2. Step 2: Convert to fraction form
    1,036,253,716.98/1,555,079,969.26 = 405,907,587.73/x
  3. Step 3: Cross multiply
    1,036,253,716.98x = 1,555,079,969.26 × 405,907,587.73
  4. Step 4: Simplify right side
    1,036,253,716.98x = 631,218,759,049,569,152
  5. Step 5: Solve for x
    x = 631,218,759,049,569,152/1,036,253,716.98
  6. Step 6: Final answer
    x = 609,135,338.87

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Double scale
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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.