Home / 391,668,194,791.35-587,770,654,977.20-136,697,578,271.60

Finding the Fourth Proportional to 391,668,194,791.35, 587,770,654,977.20 and 136,697,578,271.60

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Solution

The fourth proportional to 391,668,194,791.35, 587,770,654,977.20 and 136,697,578,271.60 is: 205,140,029,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,668,194,791.35 : 587,770,654,977.20 = 136,697,578,271.60 : x
  2. Step 2: Convert to fraction form
    391,668,194,791.35/587,770,654,977.20 = 136,697,578,271.60/x
  3. Step 3: Cross multiply
    391,668,194,791.35x = 587,770,654,977.20 × 136,697,578,271.60
  4. Step 4: Simplify right side
    391,668,194,791.35x = 80,346,825,114,495,391,629,312
  5. Step 5: Solve for x
    x = 80,346,825,114,495,391,629,312/391,668,194,791.35
  6. Step 6: Final answer
    x = 205,140,029,706.26

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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.