Home / 3,901,077,969.62-5,383,487,598.42-2,116,931,422.64

Finding the Fourth Proportional to 3,901,077,969.62, 5,383,487,598.42 and 2,116,931,422.64

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Solution

The fourth proportional to 3,901,077,969.62, 5,383,487,598.42 and 2,116,931,422.64 is: 2,921,365,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,077,969.62 : 5,383,487,598.42 = 2,116,931,422.64 : x
  2. Step 2: Convert to fraction form
    3,901,077,969.62/5,383,487,598.42 = 2,116,931,422.64/x
  3. Step 3: Cross multiply
    3,901,077,969.62x = 5,383,487,598.42 × 2,116,931,422.64
  4. Step 4: Simplify right side
    3,901,077,969.62x = 11,396,474,060,488,048,640
  5. Step 5: Solve for x
    x = 11,396,474,060,488,048,640/3,901,077,969.62
  6. Step 6: Final answer
    x = 2,921,365,363.43

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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.