Home / 226,567,897,905.80-312,664,969,072.50-128,909,536,481.14

Finding the Fourth Proportional to 226,567,897,905.80, 312,664,969,072.50 and 128,909,536,481.14

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Solution

The fourth proportional to 226,567,897,905.80, 312,664,969,072.50 and 128,909,536,481.14 is: 177,895,882,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,567,897,905.80 : 312,664,969,072.50 = 128,909,536,481.14 : x
  2. Step 2: Convert to fraction form
    226,567,897,905.80/312,664,969,072.50 = 128,909,536,481.14/x
  3. Step 3: Cross multiply
    226,567,897,905.80x = 312,664,969,072.50 × 128,909,536,481.14
  4. Step 4: Simplify right side
    226,567,897,905.80x = 40,305,496,237,025,945,190,400
  5. Step 5: Solve for x
    x = 40,305,496,237,025,945,190,400/226,567,897,905.80
  6. Step 6: Final answer
    x = 177,895,882,910.05

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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.