Home / 412,933,591.80-619,400,387.70-229,267,582.20

Finding the Fourth Proportional to 412,933,591.80, 619,400,387.70 and 229,267,582.20

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Solution

The fourth proportional to 412,933,591.80, 619,400,387.70 and 229,267,582.20 is: 343,901,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,933,591.80 : 619,400,387.70 = 229,267,582.20 : x
  2. Step 2: Convert to fraction form
    412,933,591.80/619,400,387.70 = 229,267,582.20/x
  3. Step 3: Cross multiply
    412,933,591.80x = 619,400,387.70 × 229,267,582.20
  4. Step 4: Simplify right side
    412,933,591.80x = 142,008,429,301,721,616
  5. Step 5: Solve for x
    x = 142,008,429,301,721,616/412,933,591.80
  6. Step 6: Final answer
    x = 343,901,373.30

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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.