Home / 682,684,082.87-1,024,026,622.04-165,115,021.77

Finding the Fourth Proportional to 682,684,082.87, 1,024,026,622.04 and 165,115,021.77

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Solution

The fourth proportional to 682,684,082.87, 1,024,026,622.04 and 165,115,021.77 is: 247,672,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,684,082.87 : 1,024,026,622.04 = 165,115,021.77 : x
  2. Step 2: Convert to fraction form
    682,684,082.87/1,024,026,622.04 = 165,115,021.77/x
  3. Step 3: Cross multiply
    682,684,082.87x = 1,024,026,622.04 × 165,115,021.77
  4. Step 4: Simplify right side
    682,684,082.87x = 169,082,177,991,606,976
  5. Step 5: Solve for x
    x = 169,082,177,991,606,976/682,684,082.87
  6. Step 6: Final answer
    x = 247,672,653.04

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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.