Home / 386,652,092.68-533,591,218.50-210,451,500.52

Finding the Fourth Proportional to 386,652,092.68, 533,591,218.50 and 210,451,500.52

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Solution

The fourth proportional to 386,652,092.68, 533,591,218.50 and 210,451,500.52 is: 290,429,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,652,092.68 : 533,591,218.50 = 210,451,500.52 : x
  2. Step 2: Convert to fraction form
    386,652,092.68/533,591,218.50 = 210,451,500.52/x
  3. Step 3: Cross multiply
    386,652,092.68x = 533,591,218.50 × 210,451,500.52
  4. Step 4: Simplify right side
    386,652,092.68x = 112,295,072,597,620,192
  5. Step 5: Solve for x
    x = 112,295,072,597,620,192/386,652,092.68
  6. Step 6: Final answer
    x = 290,429,237.87

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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.