Home / 65,383,711,229.28-90,229,518,042.60-35,310,192,872.88

Finding the Fourth Proportional to 65,383,711,229.28, 90,229,518,042.60 and 35,310,192,872.88

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Solution

The fourth proportional to 65,383,711,229.28, 90,229,518,042.60 and 35,310,192,872.88 is: 48,728,064,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,383,711,229.28 : 90,229,518,042.60 = 35,310,192,872.88 : x
  2. Step 2: Convert to fraction form
    65,383,711,229.28/90,229,518,042.60 = 35,310,192,872.88/x
  3. Step 3: Cross multiply
    65,383,711,229.28x = 90,229,518,042.60 × 35,310,192,872.88
  4. Step 4: Simplify right side
    65,383,711,229.28x = 3,186,021,684,911,212,068,864
  5. Step 5: Solve for x
    x = 3,186,021,684,911,212,068,864/65,383,711,229.28
  6. Step 6: Final answer
    x = 48,728,064,299.36

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1.5x scale

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.