Home / 347,753,114.80-521,629,672.20-321,476,455.60

Finding the Fourth Proportional to 347,753,114.80, 521,629,672.20 and 321,476,455.60

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Solution

The fourth proportional to 347,753,114.80, 521,629,672.20 and 321,476,455.60 is: 482,214,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,114.80 : 521,629,672.20 = 321,476,455.60 : x
  2. Step 2: Convert to fraction form
    347,753,114.80/521,629,672.20 = 321,476,455.60/x
  3. Step 3: Cross multiply
    347,753,114.80x = 521,629,672.20 × 321,476,455.60
  4. Step 4: Simplify right side
    347,753,114.80x = 167,691,658,154,645,856
  5. Step 5: Solve for x
    x = 167,691,658,154,645,856/347,753,114.80
  6. Step 6: Final answer
    x = 482,214,683.40

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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.