Home / 330,255,831.45-495,383,747.18-221,416,714.65

Finding the Fourth Proportional to 330,255,831.45, 495,383,747.18 and 221,416,714.65

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Solution

The fourth proportional to 330,255,831.45, 495,383,747.18 and 221,416,714.65 is: 332,125,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,255,831.45 : 495,383,747.18 = 221,416,714.65 : x
  2. Step 2: Convert to fraction form
    330,255,831.45/495,383,747.18 = 221,416,714.65/x
  3. Step 3: Cross multiply
    330,255,831.45x = 495,383,747.18 × 221,416,714.65
  4. Step 4: Simplify right side
    330,255,831.45x = 109,686,241,790,494,720
  5. Step 5: Solve for x
    x = 109,686,241,790,494,720/330,255,831.45
  6. Step 6: Final answer
    x = 332,125,071.98

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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.