Home / 864,067,253.76-1,192,120,914.56-562,515,257.75

Finding the Fourth Proportional to 864,067,253.76, 1,192,120,914.56 and 562,515,257.75

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Solution

The fourth proportional to 864,067,253.76, 1,192,120,914.56 and 562,515,257.75 is: 776,081,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,067,253.76 : 1,192,120,914.56 = 562,515,257.75 : x
  2. Step 2: Convert to fraction form
    864,067,253.76/1,192,120,914.56 = 562,515,257.75/x
  3. Step 3: Cross multiply
    864,067,253.76x = 1,192,120,914.56 × 562,515,257.75
  4. Step 4: Simplify right side
    864,067,253.76x = 670,586,203,514,110,976
  5. Step 5: Solve for x
    x = 670,586,203,514,110,976/864,067,253.76
  6. Step 6: Final answer
    x = 776,081,029.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.