Home / 1,291,747,579.20-1,936,298,671.20-635,689,569.60

Finding the Fourth Proportional to 1,291,747,579.20, 1,936,298,671.20 and 635,689,569.60

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Solution

The fourth proportional to 1,291,747,579.20, 1,936,298,671.20 and 635,689,569.60 is: 952,883,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,747,579.20 : 1,936,298,671.20 = 635,689,569.60 : x
  2. Step 2: Convert to fraction form
    1,291,747,579.20/1,936,298,671.20 = 635,689,569.60/x
  3. Step 3: Cross multiply
    1,291,747,579.20x = 1,936,298,671.20 × 635,689,569.60
  4. Step 4: Simplify right side
    1,291,747,579.20x = 1,230,884,868,912,179,968
  5. Step 5: Solve for x
    x = 1,230,884,868,912,179,968/1,291,747,579.20
  6. Step 6: Final answer
    x = 952,883,433.83

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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.