Home / 297,787,288.80-446,680,933.20-221,259,784.80

Finding the Fourth Proportional to 297,787,288.80, 446,680,933.20 and 221,259,784.80

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Solution

The fourth proportional to 297,787,288.80, 446,680,933.20 and 221,259,784.80 is: 331,889,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,787,288.80 : 446,680,933.20 = 221,259,784.80 : x
  2. Step 2: Convert to fraction form
    297,787,288.80/446,680,933.20 = 221,259,784.80/x
  3. Step 3: Cross multiply
    297,787,288.80x = 446,680,933.20 × 221,259,784.80
  4. Step 4: Simplify right side
    297,787,288.80x = 98,832,527,154,095,184
  5. Step 5: Solve for x
    x = 98,832,527,154,095,184/297,787,288.80
  6. Step 6: Final answer
    x = 331,889,677.20

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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.