Home / 1,170,072,351.88-1,614,801,997.73-641,538,489.97

Finding the Fourth Proportional to 1,170,072,351.88, 1,614,801,997.73 and 641,538,489.97

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Solution

The fourth proportional to 1,170,072,351.88, 1,614,801,997.73 and 641,538,489.97 is: 885,379,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072,351.88 : 1,614,801,997.73 = 641,538,489.97 : x
  2. Step 2: Convert to fraction form
    1,170,072,351.88/1,614,801,997.73 = 641,538,489.97/x
  3. Step 3: Cross multiply
    1,170,072,351.88x = 1,614,801,997.73 × 641,538,489.97
  4. Step 4: Simplify right side
    1,170,072,351.88x = 1,035,957,635,221,035,904
  5. Step 5: Solve for x
    x = 1,035,957,635,221,035,904/1,170,072,351.88
  6. Step 6: Final answer
    x = 885,379,125.11

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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.