Home / 347,998,583.58-480,240,543.59-189,227,568.82

Finding the Fourth Proportional to 347,998,583.58, 480,240,543.59 and 189,227,568.82

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Solution

The fourth proportional to 347,998,583.58, 480,240,543.59 and 189,227,568.82 is: 261,135,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,998,583.58 : 480,240,543.59 = 189,227,568.82 : x
  2. Step 2: Convert to fraction form
    347,998,583.58/480,240,543.59 = 189,227,568.82/x
  3. Step 3: Cross multiply
    347,998,583.58x = 480,240,543.59 × 189,227,568.82
  4. Step 4: Simplify right side
    347,998,583.58x = 90,874,750,512,330,928
  5. Step 5: Solve for x
    x = 90,874,750,512,330,928/347,998,583.58
  6. Step 6: Final answer
    x = 261,135,403.42

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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.