Home / 3,992,498,321.10-5,509,277,938.31-2,208,313,373.64

Finding the Fourth Proportional to 3,992,498,321.10, 5,509,277,938.31 and 2,208,313,373.64

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Solution

The fourth proportional to 3,992,498,321.10, 5,509,277,938.31 and 2,208,313,373.64 is: 3,047,267,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,498,321.10 : 5,509,277,938.31 = 2,208,313,373.64 : x
  2. Step 2: Convert to fraction form
    3,992,498,321.10/5,509,277,938.31 = 2,208,313,373.64/x
  3. Step 3: Cross multiply
    3,992,498,321.10x = 5,509,277,938.31 × 2,208,313,373.64
  4. Step 4: Simplify right side
    3,992,498,321.10x = 12,166,212,150,258,739,200
  5. Step 5: Solve for x
    x = 12,166,212,150,258,739,200/3,992,498,321.10
  6. Step 6: Final answer
    x = 3,047,267,943.97

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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.