Home / 352,825,374.32-486,879,015.84-196,189,118

Finding the Fourth Proportional to 352,825,374.32, 486,879,015.84 and 196,189,118

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Solution

The fourth proportional to 352,825,374.32, 486,879,015.84 and 196,189,118 is: 270,729,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,825,374.32 : 486,879,015.84 = 196,189,118 : x
  2. Step 2: Convert to fraction form
    352,825,374.32/486,879,015.84 = 196,189,118/x
  3. Step 3: Cross multiply
    352,825,374.32x = 486,879,015.84 × 196,189,118
  4. Step 4: Simplify right side
    352,825,374.32x = 95,520,364,690,357,616
  5. Step 5: Solve for x
    x = 95,520,364,690,357,616/352,825,374.32
  6. Step 6: Final answer
    x = 270,729,861.41

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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.