Home / 338,903,223.11-508,122,758.37-172,584,782.73

Finding the Fourth Proportional to 338,903,223.11, 508,122,758.37 and 172,584,782.73

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Solution

The fourth proportional to 338,903,223.11, 508,122,758.37 and 172,584,782.73 is: 258,758,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,903,223.11 : 508,122,758.37 = 172,584,782.73 : x
  2. Step 2: Convert to fraction form
    338,903,223.11/508,122,758.37 = 172,584,782.73/x
  3. Step 3: Cross multiply
    338,903,223.11x = 508,122,758.37 × 172,584,782.73
  4. Step 4: Simplify right side
    338,903,223.11x = 87,694,255,854,100,208
  5. Step 5: Solve for x
    x = 87,694,255,854,100,208/338,903,223.11
  6. Step 6: Final answer
    x = 258,758,990.40

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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.