Home / 929,247,906.48-1,393,910,341.20-274,198,910.64

Finding the Fourth Proportional to 929,247,906.48, 1,393,910,341.20 and 274,198,910.64

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Solution

The fourth proportional to 929,247,906.48, 1,393,910,341.20 and 274,198,910.64 is: 411,309,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,247,906.48 : 1,393,910,341.20 = 274,198,910.64 : x
  2. Step 2: Convert to fraction form
    929,247,906.48/1,393,910,341.20 = 274,198,910.64/x
  3. Step 3: Cross multiply
    929,247,906.48x = 1,393,910,341.20 × 274,198,910.64
  4. Step 4: Simplify right side
    929,247,906.48x = 382,208,697,086,870,720
  5. Step 5: Solve for x
    x = 382,208,697,086,870,720/929,247,906.48
  6. Step 6: Final answer
    x = 411,309,720.93

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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.