Home / 439,900,460.80-659,682,729.60-133,090,604.80

Finding the Fourth Proportional to 439,900,460.80, 659,682,729.60 and 133,090,604.80

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Solution

The fourth proportional to 439,900,460.80, 659,682,729.60 and 133,090,604.80 is: 199,585,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,900,460.80 : 659,682,729.60 = 133,090,604.80 : x
  2. Step 2: Convert to fraction form
    439,900,460.80/659,682,729.60 = 133,090,604.80/x
  3. Step 3: Cross multiply
    439,900,460.80x = 659,682,729.60 × 133,090,604.80
  4. Step 4: Simplify right side
    439,900,460.80x = 87,797,573,458,578,864
  5. Step 5: Solve for x
    x = 87,797,573,458,578,864/439,900,460.80
  6. Step 6: Final answer
    x = 199,585,090.91

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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.