Home / 305,914,338,487.35-422,163,099,578.67-166,868,650,358.61

Finding the Fourth Proportional to 305,914,338,487.35, 422,163,099,578.67 and 166,868,650,358.61

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Solution

The fourth proportional to 305,914,338,487.35, 422,163,099,578.67 and 166,868,650,358.61 is: 230,279,453,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,487.35 : 422,163,099,578.67 = 166,868,650,358.61 : x
  2. Step 2: Convert to fraction form
    305,914,338,487.35/422,163,099,578.67 = 166,868,650,358.61/x
  3. Step 3: Cross multiply
    305,914,338,487.35x = 422,163,099,578.67 × 166,868,650,358.61
  4. Step 4: Simplify right side
    305,914,338,487.35x = 70,445,786,657,900,128,632,832
  5. Step 5: Solve for x
    x = 70,445,786,657,900,128,632,832/305,914,338,487.35
  6. Step 6: Final answer
    x = 230,279,453,412.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.