Home / 1,036,253,709.98-1,555,079,958.76-405,907,580.73

Finding the Fourth Proportional to 1,036,253,709.98, 1,555,079,958.76 and 405,907,580.73

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Solution

The fourth proportional to 1,036,253,709.98, 1,555,079,958.76 and 405,907,580.73 is: 609,135,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,709.98 : 1,555,079,958.76 = 405,907,580.73 : x
  2. Step 2: Convert to fraction form
    1,036,253,709.98/1,555,079,958.76 = 405,907,580.73/x
  3. Step 3: Cross multiply
    1,036,253,709.98x = 1,555,079,958.76 × 405,907,580.73
  4. Step 4: Simplify right side
    1,036,253,709.98x = 631,218,743,901,979,776
  5. Step 5: Solve for x
    x = 631,218,743,901,979,776/1,036,253,709.98
  6. Step 6: Final answer
    x = 609,135,328.37

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1.5x scale

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.