Home / 2,183,072,311.11-3,012,639,789.32-1,243,362,391.68

Finding the Fourth Proportional to 2,183,072,311.11, 3,012,639,789.32 and 1,243,362,391.68

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Solution

The fourth proportional to 2,183,072,311.11, 3,012,639,789.32 and 1,243,362,391.68 is: 1,715,840,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,072,311.11 : 3,012,639,789.32 = 1,243,362,391.68 : x
  2. Step 2: Convert to fraction form
    2,183,072,311.11/3,012,639,789.32 = 1,243,362,391.68/x
  3. Step 3: Cross multiply
    2,183,072,311.11x = 3,012,639,789.32 × 1,243,362,391.68
  4. Step 4: Simplify right side
    2,183,072,311.11x = 3,745,803,013,728,901,632
  5. Step 5: Solve for x
    x = 3,745,803,013,728,901,632/2,183,072,311.11
  6. Step 6: Final answer
    x = 1,715,840,100.51

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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.