Home / 445,864,231.10-668,557,198.20-186,786,743.60

Finding the Fourth Proportional to 445,864,231.10, 668,557,198.20 and 186,786,743.60

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Solution

The fourth proportional to 445,864,231.10, 668,557,198.20 and 186,786,743.60 is: 280,079,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,864,231.10 : 668,557,198.20 = 186,786,743.60 : x
  2. Step 2: Convert to fraction form
    445,864,231.10/668,557,198.20 = 186,786,743.60/x
  3. Step 3: Cross multiply
    445,864,231.10x = 668,557,198.20 × 186,786,743.60
  4. Step 4: Simplify right side
    445,864,231.10x = 124,877,621,962,117,792
  5. Step 5: Solve for x
    x = 124,877,621,962,117,792/445,864,231.10
  6. Step 6: Final answer
    x = 280,079,928.49

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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.