Home / 521,108,150.52-781,687,365.42-171,346,474.97

Finding the Fourth Proportional to 521,108,150.52, 781,687,365.42 and 171,346,474.97

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Solution

The fourth proportional to 521,108,150.52, 781,687,365.42 and 171,346,474.97 is: 257,027,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,108,150.52 : 781,687,365.42 = 171,346,474.97 : x
  2. Step 2: Convert to fraction form
    521,108,150.52/781,687,365.42 = 171,346,474.97/x
  3. Step 3: Cross multiply
    521,108,150.52x = 781,687,365.42 × 171,346,474.97
  4. Step 4: Simplify right side
    521,108,150.52x = 133,939,374,593,303,264
  5. Step 5: Solve for x
    x = 133,939,374,593,303,264/521,108,150.52
  6. Step 6: Final answer
    x = 257,027,978.66

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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.