Home / 521,185,896.54-781,778,183.76-133,008,735.60

Finding the Fourth Proportional to 521,185,896.54, 781,778,183.76 and 133,008,735.60

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Solution

The fourth proportional to 521,185,896.54, 781,778,183.76 and 133,008,735.60 is: 199,512,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,185,896.54 : 781,778,183.76 = 133,008,735.60 : x
  2. Step 2: Convert to fraction form
    521,185,896.54/781,778,183.76 = 133,008,735.60/x
  3. Step 3: Cross multiply
    521,185,896.54x = 781,778,183.76 × 133,008,735.60
  4. Step 4: Simplify right side
    521,185,896.54x = 103,983,327,741,582,048
  5. Step 5: Solve for x
    x = 103,983,327,741,582,048/521,185,896.54
  6. Step 6: Final answer
    x = 199,512,934.70

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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.