Home / 1,422,085,893.52-2,131,192,028.70-800,597,560.72

Finding the Fourth Proportional to 1,422,085,893.52, 2,131,192,028.70 and 800,597,560.72

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Solution

The fourth proportional to 1,422,085,893.52, 2,131,192,028.70 and 800,597,560.72 is: 1,199,805,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,085,893.52 : 2,131,192,028.70 = 800,597,560.72 : x
  2. Step 2: Convert to fraction form
    1,422,085,893.52/2,131,192,028.70 = 800,597,560.72/x
  3. Step 3: Cross multiply
    1,422,085,893.52x = 2,131,192,028.70 × 800,597,560.72
  4. Step 4: Simplify right side
    1,422,085,893.52x = 1,706,227,139,603,128,320
  5. Step 5: Solve for x
    x = 1,706,227,139,603,128,320/1,422,085,893.52
  6. Step 6: Final answer
    x = 1,199,805,966.28

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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.