Home / 1,416,434,893.22-1,954,591,672.60-781,362,730.55

Finding the Fourth Proportional to 1,416,434,893.22, 1,954,591,672.60 and 781,362,730.55

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Solution

The fourth proportional to 1,416,434,893.22, 1,954,591,672.60 and 781,362,730.55 is: 1,078,231,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,434,893.22 : 1,954,591,672.60 = 781,362,730.55 : x
  2. Step 2: Convert to fraction form
    1,416,434,893.22/1,954,591,672.60 = 781,362,730.55/x
  3. Step 3: Cross multiply
    1,416,434,893.22x = 1,954,591,672.60 × 781,362,730.55
  4. Step 4: Simplify right side
    1,416,434,893.22x = 1,527,245,086,413,027,328
  5. Step 5: Solve for x
    x = 1,527,245,086,413,027,328/1,416,434,893.22
  6. Step 6: Final answer
    x = 1,078,231,758.99

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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.