Home / 827,747,144.81-1,241,625,200.56-245,486,435.19

Finding the Fourth Proportional to 827,747,144.81, 1,241,625,200.56 and 245,486,435.19

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Solution

The fourth proportional to 827,747,144.81, 1,241,625,200.56 and 245,486,435.19 is: 368,230,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,747,144.81 : 1,241,625,200.56 = 245,486,435.19 : x
  2. Step 2: Convert to fraction form
    827,747,144.81/1,241,625,200.56 = 245,486,435.19/x
  3. Step 3: Cross multiply
    827,747,144.81x = 1,241,625,200.56 × 245,486,435.19
  4. Step 4: Simplify right side
    827,747,144.81x = 304,802,144,327,543,168
  5. Step 5: Solve for x
    x = 304,802,144,327,543,168/827,747,144.81
  6. Step 6: Final answer
    x = 368,230,982.42

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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.