Home / 1,165,342,077.39-1,608,153,297.44-636,694,709.07

Finding the Fourth Proportional to 1,165,342,077.39, 1,608,153,297.44 and 636,694,709.07

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Solution

The fourth proportional to 1,165,342,077.39, 1,608,153,297.44 and 636,694,709.07 is: 878,628,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,342,077.39 : 1,608,153,297.44 = 636,694,709.07 : x
  2. Step 2: Convert to fraction form
    1,165,342,077.39/1,608,153,297.44 = 636,694,709.07/x
  3. Step 3: Cross multiply
    1,165,342,077.39x = 1,608,153,297.44 × 636,694,709.07
  4. Step 4: Simplify right side
    1,165,342,077.39x = 1,023,902,695,850,338,560
  5. Step 5: Solve for x
    x = 1,023,902,695,850,338,560/1,165,342,077.39
  6. Step 6: Final answer
    x = 878,628,443.71

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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.