Home / 898,691,062.28-1,240,195,346.43-502,214,052.38

Finding the Fourth Proportional to 898,691,062.28, 1,240,195,346.43 and 502,214,052.38

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Solution

The fourth proportional to 898,691,062.28, 1,240,195,346.43 and 502,214,052.38 is: 693,056,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,691,062.28 : 1,240,195,346.43 = 502,214,052.38 : x
  2. Step 2: Convert to fraction form
    898,691,062.28/1,240,195,346.43 = 502,214,052.38/x
  3. Step 3: Cross multiply
    898,691,062.28x = 1,240,195,346.43 × 502,214,052.38
  4. Step 4: Simplify right side
    898,691,062.28x = 622,843,530,673,428,352
  5. Step 5: Solve for x
    x = 622,843,530,673,428,352/898,691,062.28
  6. Step 6: Final answer
    x = 693,056,331.39

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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.