Home / 305,914,338,569.38-422,163,099,691.80-166,868,650,440.67

Finding the Fourth Proportional to 305,914,338,569.38, 422,163,099,691.80 and 166,868,650,440.67

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Solution

The fourth proportional to 305,914,338,569.38, 422,163,099,691.80 and 166,868,650,440.67 is: 230,279,453,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,569.38 : 422,163,099,691.80 = 166,868,650,440.67 : x
  2. Step 2: Convert to fraction form
    305,914,338,569.38/422,163,099,691.80 = 166,868,650,440.67/x
  3. Step 3: Cross multiply
    305,914,338,569.38x = 422,163,099,691.80 × 166,868,650,440.67
  4. Step 4: Simplify right side
    305,914,338,569.38x = 70,445,786,711,420,697,575,424
  5. Step 5: Solve for x
    x = 70,445,786,711,420,697,575,424/305,914,338,569.38
  6. Step 6: Final answer
    x = 230,279,453,525.66

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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.