Home / 927,339,993.80-1,391,009,990.70-857,268,902.60

Finding the Fourth Proportional to 927,339,993.80, 1,391,009,990.70 and 857,268,902.60

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Solution

The fourth proportional to 927,339,993.80, 1,391,009,990.70 and 857,268,902.60 is: 1,285,903,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,339,993.80 : 1,391,009,990.70 = 857,268,902.60 : x
  2. Step 2: Convert to fraction form
    927,339,993.80/1,391,009,990.70 = 857,268,902.60/x
  3. Step 3: Cross multiply
    927,339,993.80x = 1,391,009,990.70 × 857,268,902.60
  4. Step 4: Simplify right side
    927,339,993.80x = 1,192,469,608,233,025,280
  5. Step 5: Solve for x
    x = 1,192,469,608,233,025,280/927,339,993.80
  6. Step 6: Final answer
    x = 1,285,903,353.90

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1.5x scale

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.