Home / 404,364,496.20-606,546,744.30-220,698,486.60

Finding the Fourth Proportional to 404,364,496.20, 606,546,744.30 and 220,698,486.60

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Solution

The fourth proportional to 404,364,496.20, 606,546,744.30 and 220,698,486.60 is: 331,047,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,364,496.20 : 606,546,744.30 = 220,698,486.60 : x
  2. Step 2: Convert to fraction form
    404,364,496.20/606,546,744.30 = 220,698,486.60/x
  3. Step 3: Cross multiply
    404,364,496.20x = 606,546,744.30 × 220,698,486.60
  4. Step 4: Simplify right side
    404,364,496.20x = 133,863,948,519,167,168
  5. Step 5: Solve for x
    x = 133,863,948,519,167,168/404,364,496.20
  6. Step 6: Final answer
    x = 331,047,729.90

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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.