Home / 490,118,104.07-735,394,258.03-256,893,389.15

Finding the Fourth Proportional to 490,118,104.07, 735,394,258.03 and 256,893,389.15

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Solution

The fourth proportional to 490,118,104.07, 735,394,258.03 and 256,893,389.15 is: 385,453,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,118,104.07 : 735,394,258.03 = 256,893,389.15 : x
  2. Step 2: Convert to fraction form
    490,118,104.07/735,394,258.03 = 256,893,389.15/x
  3. Step 3: Cross multiply
    490,118,104.07x = 735,394,258.03 × 256,893,389.15
  4. Step 4: Simplify right side
    490,118,104.07x = 188,917,923,305,730,944
  5. Step 5: Solve for x
    x = 188,917,923,305,730,944/490,118,104.07
  6. Step 6: Final answer
    x = 385,453,876.81

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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.