Home / 374,483,183.70-516,825,692.37-215,718,793.50

Finding the Fourth Proportional to 374,483,183.70, 516,825,692.37 and 215,718,793.50

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Solution

The fourth proportional to 374,483,183.70, 516,825,692.37 and 215,718,793.50 is: 297,714,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,483,183.70 : 516,825,692.37 = 215,718,793.50 : x
  2. Step 2: Convert to fraction form
    374,483,183.70/516,825,692.37 = 215,718,793.50/x
  3. Step 3: Cross multiply
    374,483,183.70x = 516,825,692.37 × 215,718,793.50
  4. Step 4: Simplify right side
    374,483,183.70x = 111,489,014,807,858,560
  5. Step 5: Solve for x
    x = 111,489,014,807,858,560/374,483,183.70
  6. Step 6: Final answer
    x = 297,714,342.49

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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.