Home / 378,998,512.40-568,497,768.60-174,925,168.40

Finding the Fourth Proportional to 378,998,512.40, 568,497,768.60 and 174,925,168.40

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Solution

The fourth proportional to 378,998,512.40, 568,497,768.60 and 174,925,168.40 is: 262,387,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,998,512.40 : 568,497,768.60 = 174,925,168.40 : x
  2. Step 2: Convert to fraction form
    378,998,512.40/568,497,768.60 = 174,925,168.40/x
  3. Step 3: Cross multiply
    378,998,512.40x = 568,497,768.60 × 174,925,168.40
  4. Step 4: Simplify right side
    378,998,512.40x = 99,444,567,907,379,232
  5. Step 5: Solve for x
    x = 99,444,567,907,379,232/378,998,512.40
  6. Step 6: Final answer
    x = 262,387,752.60

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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.