Home / 667,763,999.80-1,001,645,999.70-593,787,412.60

Finding the Fourth Proportional to 667,763,999.80, 1,001,645,999.70 and 593,787,412.60

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Solution

The fourth proportional to 667,763,999.80, 1,001,645,999.70 and 593,787,412.60 is: 890,681,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,763,999.80 : 1,001,645,999.70 = 593,787,412.60 : x
  2. Step 2: Convert to fraction form
    667,763,999.80/1,001,645,999.70 = 593,787,412.60/x
  3. Step 3: Cross multiply
    667,763,999.80x = 1,001,645,999.70 × 593,787,412.60
  4. Step 4: Simplify right side
    667,763,999.80x = 594,764,786,503,003,392
  5. Step 5: Solve for x
    x = 594,764,786,503,003,392/667,763,999.80
  6. Step 6: Final answer
    x = 890,681,118.90

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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.