Home / 778,738,991.33-1,074,659,860.46-426,314,982.06

Finding the Fourth Proportional to 778,738,991.33, 1,074,659,860.46 and 426,314,982.06

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Solution

The fourth proportional to 778,738,991.33, 1,074,659,860.46 and 426,314,982.06 is: 588,314,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,738,991.33 : 1,074,659,860.46 = 426,314,982.06 : x
  2. Step 2: Convert to fraction form
    778,738,991.33/1,074,659,860.46 = 426,314,982.06/x
  3. Step 3: Cross multiply
    778,738,991.33x = 1,074,659,860.46 × 426,314,982.06
  4. Step 4: Simplify right side
    778,738,991.33x = 458,143,599,133,672,832
  5. Step 5: Solve for x
    x = 458,143,599,133,672,832/778,738,991.33
  6. Step 6: Final answer
    x = 588,314,703.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.