Home / 503,383,969,808.25-755,195,041,192.75-163,422,490,710.77

Finding the Fourth Proportional to 503,383,969,808.25, 755,195,041,192.75 and 163,422,490,710.77

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Solution

The fourth proportional to 503,383,969,808.25, 755,195,041,192.75 and 163,422,490,710.77 is: 245,172,397,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,383,969,808.25 : 755,195,041,192.75 = 163,422,490,710.77 : x
  2. Step 2: Convert to fraction form
    503,383,969,808.25/755,195,041,192.75 = 163,422,490,710.77/x
  3. Step 3: Cross multiply
    503,383,969,808.25x = 755,195,041,192.75 × 163,422,490,710.77
  4. Step 4: Simplify right side
    503,383,969,808.25x = 123,415,854,604,141,740,425,216
  5. Step 5: Solve for x
    x = 123,415,854,604,141,740,425,216/503,383,969,808.25
  6. Step 6: Final answer
    x = 245,172,397,228.21

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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.