Home / 1,008,085,679.60-1,510,427,908.20-489,399,263.60

Finding the Fourth Proportional to 1,008,085,679.60, 1,510,427,908.20 and 489,399,263.60

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Solution

The fourth proportional to 1,008,085,679.60, 1,510,427,908.20 and 489,399,263.60 is: 733,273,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,679.60 : 1,510,427,908.20 = 489,399,263.60 : x
  2. Step 2: Convert to fraction form
    1,008,085,679.60/1,510,427,908.20 = 489,399,263.60/x
  3. Step 3: Cross multiply
    1,008,085,679.60x = 1,510,427,908.20 × 489,399,263.60
  4. Step 4: Simplify right side
    1,008,085,679.60x = 739,202,305,993,968,512
  5. Step 5: Solve for x
    x = 739,202,305,993,968,512/1,008,085,679.60
  6. Step 6: Final answer
    x = 733,273,293.09

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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.