Home / 503,383,969,814.28-755,195,041,201.74-163,422,490,716.76

Finding the Fourth Proportional to 503,383,969,814.28, 755,195,041,201.74 and 163,422,490,716.76

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Solution

The fourth proportional to 503,383,969,814.28, 755,195,041,201.74 and 163,422,490,716.76 is: 245,172,397,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,383,969,814.28 : 755,195,041,201.74 = 163,422,490,716.76 : x
  2. Step 2: Convert to fraction form
    503,383,969,814.28/755,195,041,201.74 = 163,422,490,716.76/x
  3. Step 3: Cross multiply
    503,383,969,814.28x = 755,195,041,201.74 × 163,422,490,716.76
  4. Step 4: Simplify right side
    503,383,969,814.28x = 123,415,854,610,134,545,203,200
  5. Step 5: Solve for x
    x = 123,415,854,610,134,545,203,200/503,383,969,814.28
  6. Step 6: Final answer
    x = 245,172,397,237.18

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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.