Home / 445,324,904.40-667,987,356.60-122,208,776.40

Finding the Fourth Proportional to 445,324,904.40, 667,987,356.60 and 122,208,776.40

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Solution

The fourth proportional to 445,324,904.40, 667,987,356.60 and 122,208,776.40 is: 183,313,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,324,904.40 : 667,987,356.60 = 122,208,776.40 : x
  2. Step 2: Convert to fraction form
    445,324,904.40/667,987,356.60 = 122,208,776.40/x
  3. Step 3: Cross multiply
    445,324,904.40x = 667,987,356.60 × 122,208,776.40
  4. Step 4: Simplify right side
    445,324,904.40x = 81,633,917,500,756,464
  5. Step 5: Solve for x
    x = 81,633,917,500,756,464/445,324,904.40
  6. Step 6: Final answer
    x = 183,313,164.60

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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.