Home / 330,256,037.70-495,384,056.55-221,416,920.90

Finding the Fourth Proportional to 330,256,037.70, 495,384,056.55 and 221,416,920.90

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Solution

The fourth proportional to 330,256,037.70, 495,384,056.55 and 221,416,920.90 is: 332,125,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,256,037.70 : 495,384,056.55 = 221,416,920.90 : x
  2. Step 2: Convert to fraction form
    330,256,037.70/495,384,056.55 = 221,416,920.90/x
  3. Step 3: Cross multiply
    330,256,037.70x = 495,384,056.55 × 221,416,920.90
  4. Step 4: Simplify right side
    330,256,037.70x = 109,686,412,464,252,480
  5. Step 5: Solve for x
    x = 109,686,412,464,252,480/330,256,037.70
  6. Step 6: Final answer
    x = 332,125,381.35

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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.