Home / 662,252,835.49-913,621,747.78-394,178,352.78

Finding the Fourth Proportional to 662,252,835.49, 913,621,747.78 and 394,178,352.78

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Solution

The fourth proportional to 662,252,835.49, 913,621,747.78 and 394,178,352.78 is: 543,795,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,252,835.49 : 913,621,747.78 = 394,178,352.78 : x
  2. Step 2: Convert to fraction form
    662,252,835.49/913,621,747.78 = 394,178,352.78/x
  3. Step 3: Cross multiply
    662,252,835.49x = 913,621,747.78 × 394,178,352.78
  4. Step 4: Simplify right side
    662,252,835.49x = 360,129,915,598,351,488
  5. Step 5: Solve for x
    x = 360,129,915,598,351,488/662,252,835.49
  6. Step 6: Final answer
    x = 543,795,203.73

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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.