Home / 711,176,304.20-1,066,764,456.30-419,744,265.80

Finding the Fourth Proportional to 711,176,304.20, 1,066,764,456.30 and 419,744,265.80

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Solution

The fourth proportional to 711,176,304.20, 1,066,764,456.30 and 419,744,265.80 is: 629,616,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,176,304.20 : 1,066,764,456.30 = 419,744,265.80 : x
  2. Step 2: Convert to fraction form
    711,176,304.20/1,066,764,456.30 = 419,744,265.80/x
  3. Step 3: Cross multiply
    711,176,304.20x = 1,066,764,456.30 × 419,744,265.80
  4. Step 4: Simplify right side
    711,176,304.20x = 447,768,263,491,179,648
  5. Step 5: Solve for x
    x = 447,768,263,491,179,648/711,176,304.20
  6. Step 6: Final answer
    x = 629,616,398.70

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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.