Home / 1,036,253,722.49-1,555,079,977.52-405,907,593.23

Finding the Fourth Proportional to 1,036,253,722.49, 1,555,079,977.52 and 405,907,593.23

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Solution

The fourth proportional to 1,036,253,722.49, 1,555,079,977.52 and 405,907,593.23 is: 609,135,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,722.49 : 1,555,079,977.52 = 405,907,593.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,722.49/1,555,079,977.52 = 405,907,593.23/x
  3. Step 3: Cross multiply
    1,036,253,722.49x = 1,555,079,977.52 × 405,907,593.23
  4. Step 4: Simplify right side
    1,036,253,722.49x = 631,218,770,955,305,728
  5. Step 5: Solve for x
    x = 631,218,770,955,305,728/1,036,253,722.49
  6. Step 6: Final answer
    x = 609,135,347.12

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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.