Home / 1,036,253,750.73-1,555,080,019.91-405,907,621.49

Finding the Fourth Proportional to 1,036,253,750.73, 1,555,080,019.91 and 405,907,621.49

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Solution

The fourth proportional to 1,036,253,750.73, 1,555,080,019.91 and 405,907,621.49 is: 609,135,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,750.73 : 1,555,080,019.91 = 405,907,621.49 : x
  2. Step 2: Convert to fraction form
    1,036,253,750.73/1,555,080,019.91 = 405,907,621.49/x
  3. Step 3: Cross multiply
    1,036,253,750.73x = 1,555,080,019.91 × 405,907,621.49
  4. Step 4: Simplify right side
    1,036,253,750.73x = 631,218,832,108,290,048
  5. Step 5: Solve for x
    x = 631,218,832,108,290,048/1,036,253,750.73
  6. Step 6: Final answer
    x = 609,135,389.54

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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.