Home / 20,198,039,916.60-30,228,185,121.30-20,198,039,916.60

Finding the Fourth Proportional to 20,198,039,916.60, 30,228,185,121.30 and 20,198,039,916.60

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Solution

The fourth proportional to 20,198,039,916.60, 30,228,185,121.30 and 20,198,039,916.60 is: 30,228,185,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,039,916.60 : 30,228,185,121.30 = 20,198,039,916.60 : x
  2. Step 2: Convert to fraction form
    20,198,039,916.60/30,228,185,121.30 = 20,198,039,916.60/x
  3. Step 3: Cross multiply
    20,198,039,916.60x = 30,228,185,121.30 × 20,198,039,916.60
  4. Step 4: Simplify right side
    20,198,039,916.60x = 610,550,089,686,391,586,816
  5. Step 5: Solve for x
    x = 610,550,089,686,391,586,816/20,198,039,916.60
  6. Step 6: Final answer
    x = 30,228,185,121.30

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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.