Home / 379,246,823.50-523,403,153.58-214,245,021.82

Finding the Fourth Proportional to 379,246,823.50, 523,403,153.58 and 214,245,021.82

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Solution

The fourth proportional to 379,246,823.50, 523,403,153.58 and 214,245,021.82 is: 295,682,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,246,823.50 : 523,403,153.58 = 214,245,021.82 : x
  2. Step 2: Convert to fraction form
    379,246,823.50/523,403,153.58 = 214,245,021.82/x
  3. Step 3: Cross multiply
    379,246,823.50x = 523,403,153.58 × 214,245,021.82
  4. Step 4: Simplify right side
    379,246,823.50x = 112,136,520,059,403,904
  5. Step 5: Solve for x
    x = 112,136,520,059,403,904/379,246,823.50
  6. Step 6: Final answer
    x = 295,682,160.30

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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.