Home / 305,914,338,569.50-422,163,099,691.97-166,868,650,440.80

Finding the Fourth Proportional to 305,914,338,569.50, 422,163,099,691.97 and 166,868,650,440.80

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Solution

The fourth proportional to 305,914,338,569.50, 422,163,099,691.97 and 166,868,650,440.80 is: 230,279,453,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,569.50 : 422,163,099,691.97 = 166,868,650,440.80 : x
  2. Step 2: Convert to fraction form
    305,914,338,569.50/422,163,099,691.97 = 166,868,650,440.80/x
  3. Step 3: Cross multiply
    305,914,338,569.50x = 422,163,099,691.97 × 166,868,650,440.80
  4. Step 4: Simplify right side
    305,914,338,569.50x = 70,445,786,711,503,937,732,608
  5. Step 5: Solve for x
    x = 70,445,786,711,503,937,732,608/305,914,338,569.50
  6. Step 6: Final answer
    x = 230,279,453,525.84

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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.