Home / 412,933,718.80-619,400,578.20-229,267,709.20

Finding the Fourth Proportional to 412,933,718.80, 619,400,578.20 and 229,267,709.20

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Solution

The fourth proportional to 412,933,718.80, 619,400,578.20 and 229,267,709.20 is: 343,901,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,933,718.80 : 619,400,578.20 = 229,267,709.20 : x
  2. Step 2: Convert to fraction form
    412,933,718.80/619,400,578.20 = 229,267,709.20/x
  3. Step 3: Cross multiply
    412,933,718.80x = 619,400,578.20 × 229,267,709.20
  4. Step 4: Simplify right side
    412,933,718.80x = 142,008,551,641,069,456
  5. Step 5: Solve for x
    x = 142,008,551,641,069,456/412,933,718.80
  6. Step 6: Final answer
    x = 343,901,563.80

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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.