Home / 268,524,991.20-402,409,573.20-198,894,410.40

Finding the Fourth Proportional to 268,524,991.20, 402,409,573.20 and 198,894,410.40

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Solution

The fourth proportional to 268,524,991.20, 402,409,573.20 and 198,894,410.40 is: 298,061,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,524,991.20 : 402,409,573.20 = 198,894,410.40 : x
  2. Step 2: Convert to fraction form
    268,524,991.20/402,409,573.20 = 198,894,410.40/x
  3. Step 3: Cross multiply
    268,524,991.20x = 402,409,573.20 × 198,894,410.40
  4. Step 4: Simplify right side
    268,524,991.20x = 80,037,014,800,929,648
  5. Step 5: Solve for x
    x = 80,037,014,800,929,648/268,524,991.20
  6. Step 6: Final answer
    x = 298,061,697.88

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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.