Home / 542,658,518.31-814,322,586.21-251,471,365.59

Finding the Fourth Proportional to 542,658,518.31, 814,322,586.21 and 251,471,365.59

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Solution

The fourth proportional to 542,658,518.31, 814,322,586.21 and 251,471,365.59 is: 377,362,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,658,518.31 : 814,322,586.21 = 251,471,365.59 : x
  2. Step 2: Convert to fraction form
    542,658,518.31/814,322,586.21 = 251,471,365.59/x
  3. Step 3: Cross multiply
    542,658,518.31x = 814,322,586.21 × 251,471,365.59
  4. Step 4: Simplify right side
    542,658,518.31x = 204,778,812,785,009,216
  5. Step 5: Solve for x
    x = 204,778,812,785,009,216/542,658,518.31
  6. Step 6: Final answer
    x = 377,362,200.86

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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.