Home / 1,036,253,744.73-1,555,080,010.91-405,907,615.49

Finding the Fourth Proportional to 1,036,253,744.73, 1,555,080,010.91 and 405,907,615.49

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Solution

The fourth proportional to 1,036,253,744.73, 1,555,080,010.91 and 405,907,615.49 is: 609,135,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,744.73 : 1,555,080,010.91 = 405,907,615.49 : x
  2. Step 2: Convert to fraction form
    1,036,253,744.73/1,555,080,010.91 = 405,907,615.49/x
  3. Step 3: Cross multiply
    1,036,253,744.73x = 1,555,080,010.91 × 405,907,615.49
  4. Step 4: Simplify right side
    1,036,253,744.73x = 631,218,819,124,641,280
  5. Step 5: Solve for x
    x = 631,218,819,124,641,280/1,036,253,744.73
  6. Step 6: Final answer
    x = 609,135,380.53

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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.