Home / 264,720,294.92-397,102,668.78-80,489,370.92

Finding the Fourth Proportional to 264,720,294.92, 397,102,668.78 and 80,489,370.92

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Solution

The fourth proportional to 264,720,294.92, 397,102,668.78 and 80,489,370.92 is: 120,740,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,720,294.92 : 397,102,668.78 = 80,489,370.92 : x
  2. Step 2: Convert to fraction form
    264,720,294.92/397,102,668.78 = 80,489,370.92/x
  3. Step 3: Cross multiply
    264,720,294.92x = 397,102,668.78 × 80,489,370.92
  4. Step 4: Simplify right side
    264,720,294.92x = 31,962,544,000,755,324
  5. Step 5: Solve for x
    x = 31,962,544,000,755,324/264,720,294.92
  6. Step 6: Final answer
    x = 120,740,814.41

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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.