Home / 1,036,253,720.73-1,555,079,974.91-405,907,591.49

Finding the Fourth Proportional to 1,036,253,720.73, 1,555,079,974.91 and 405,907,591.49

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Solution

The fourth proportional to 1,036,253,720.73, 1,555,079,974.91 and 405,907,591.49 is: 609,135,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,720.73 : 1,555,079,974.91 = 405,907,591.49 : x
  2. Step 2: Convert to fraction form
    1,036,253,720.73/1,555,079,974.91 = 405,907,591.49/x
  3. Step 3: Cross multiply
    1,036,253,720.73x = 1,555,079,974.91 × 405,907,591.49
  4. Step 4: Simplify right side
    1,036,253,720.73x = 631,218,767,190,047,744
  5. Step 5: Solve for x
    x = 631,218,767,190,047,744/1,036,253,720.73
  6. Step 6: Final answer
    x = 609,135,344.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.