Home / 503,383,969,811.28-755,195,041,197.24-163,422,490,713.76

Finding the Fourth Proportional to 503,383,969,811.28, 755,195,041,197.24 and 163,422,490,713.76

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Solution

The fourth proportional to 503,383,969,811.28, 755,195,041,197.24 and 163,422,490,713.76 is: 245,172,397,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,383,969,811.28 : 755,195,041,197.24 = 163,422,490,713.76 : x
  2. Step 2: Convert to fraction form
    503,383,969,811.28/755,195,041,197.24 = 163,422,490,713.76/x
  3. Step 3: Cross multiply
    503,383,969,811.28x = 755,195,041,197.24 × 163,422,490,713.76
  4. Step 4: Simplify right side
    503,383,969,811.28x = 123,415,854,607,133,554,245,632
  5. Step 5: Solve for x
    x = 123,415,854,607,133,554,245,632/503,383,969,811.28
  6. Step 6: Final answer
    x = 245,172,397,232.68

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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.