Home / 522,221,945.45-783,338,379.62-153,763,873.97

Finding the Fourth Proportional to 522,221,945.45, 783,338,379.62 and 153,763,873.97

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Solution

The fourth proportional to 522,221,945.45, 783,338,379.62 and 153,763,873.97 is: 230,647,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,221,945.45 : 783,338,379.62 = 153,763,873.97 : x
  2. Step 2: Convert to fraction form
    522,221,945.45/783,338,379.62 = 153,763,873.97/x
  3. Step 3: Cross multiply
    522,221,945.45x = 783,338,379.62 × 153,763,873.97
  4. Step 4: Simplify right side
    522,221,945.45x = 120,449,143,875,068,192
  5. Step 5: Solve for x
    x = 120,449,143,875,068,192/522,221,945.45
  6. Step 6: Final answer
    x = 230,647,419.02

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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.