Home / 426,166,254.38-639,278,249.97-149,783,866.94

Finding the Fourth Proportional to 426,166,254.38, 639,278,249.97 and 149,783,866.94

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Solution

The fourth proportional to 426,166,254.38, 639,278,249.97 and 149,783,866.94 is: 224,685,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,166,254.38 : 639,278,249.97 = 149,783,866.94 : x
  2. Step 2: Convert to fraction form
    426,166,254.38/639,278,249.97 = 149,783,866.94/x
  3. Step 3: Cross multiply
    426,166,254.38x = 639,278,249.97 × 149,783,866.94
  4. Step 4: Simplify right side
    426,166,254.38x = 95,753,568,333,302,416
  5. Step 5: Solve for x
    x = 95,753,568,333,302,416/426,166,254.38
  6. Step 6: Final answer
    x = 224,685,946.74

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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.