Home / 412,933,612.80-619,400,419.20-229,267,603.20

Finding the Fourth Proportional to 412,933,612.80, 619,400,419.20 and 229,267,603.20

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Solution

The fourth proportional to 412,933,612.80, 619,400,419.20 and 229,267,603.20 is: 343,901,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,933,612.80 : 619,400,419.20 = 229,267,603.20 : x
  2. Step 2: Convert to fraction form
    412,933,612.80/619,400,419.20 = 229,267,603.20/x
  3. Step 3: Cross multiply
    412,933,612.80x = 619,400,419.20 × 229,267,603.20
  4. Step 4: Simplify right side
    412,933,612.80x = 142,008,449,531,059,264
  5. Step 5: Solve for x
    x = 142,008,449,531,059,264/412,933,612.80
  6. Step 6: Final answer
    x = 343,901,404.80

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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.