Home / 445,304,845.80-668,217,740.40-186,498,327.60

Finding the Fourth Proportional to 445,304,845.80, 668,217,740.40 and 186,498,327.60

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Solution

The fourth proportional to 445,304,845.80, 668,217,740.40 and 186,498,327.60 is: 279,856,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,304,845.80 : 668,217,740.40 = 186,498,327.60 : x
  2. Step 2: Convert to fraction form
    445,304,845.80/668,217,740.40 = 186,498,327.60/x
  3. Step 3: Cross multiply
    445,304,845.80x = 668,217,740.40 × 186,498,327.60
  4. Step 4: Simplify right side
    445,304,845.80x = 124,621,491,057,250,944
  5. Step 5: Solve for x
    x = 124,621,491,057,250,944/445,304,845.80
  6. Step 6: Final answer
    x = 279,856,579.67

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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.