Home / 394,358,580.20-544,167,424.10-227,149,222.43

Finding the Fourth Proportional to 394,358,580.20, 544,167,424.10 and 227,149,222.43

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Solution

The fourth proportional to 394,358,580.20, 544,167,424.10 and 227,149,222.43 is: 313,438,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,358,580.20 : 544,167,424.10 = 227,149,222.43 : x
  2. Step 2: Convert to fraction form
    394,358,580.20/544,167,424.10 = 227,149,222.43/x
  3. Step 3: Cross multiply
    394,358,580.20x = 544,167,424.10 × 227,149,222.43
  4. Step 4: Simplify right side
    394,358,580.20x = 123,607,207,252,880,416
  5. Step 5: Solve for x
    x = 123,607,207,252,880,416/394,358,580.20
  6. Step 6: Final answer
    x = 313,438,615.16

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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.