Home / 415,581,910.80-622,961,710.20-196,847,793.60

Finding the Fourth Proportional to 415,581,910.80, 622,961,710.20 and 196,847,793.60

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Solution

The fourth proportional to 415,581,910.80, 622,961,710.20 and 196,847,793.60 is: 295,076,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,581,910.80 : 622,961,710.20 = 196,847,793.60 : x
  2. Step 2: Convert to fraction form
    415,581,910.80/622,961,710.20 = 196,847,793.60/x
  3. Step 3: Cross multiply
    415,581,910.80x = 622,961,710.20 × 196,847,793.60
  4. Step 4: Simplify right side
    415,581,910.80x = 122,628,638,150,152,624
  5. Step 5: Solve for x
    x = 122,628,638,150,152,624/415,581,910.80
  6. Step 6: Final answer
    x = 295,076,939.02

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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.