Home / 3,880,942,887.60-5,821,414,331.40-2,133,470,401.20

Finding the Fourth Proportional to 3,880,942,887.60, 5,821,414,331.40 and 2,133,470,401.20

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Solution

The fourth proportional to 3,880,942,887.60, 5,821,414,331.40 and 2,133,470,401.20 is: 3,200,205,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,942,887.60 : 5,821,414,331.40 = 2,133,470,401.20 : x
  2. Step 2: Convert to fraction form
    3,880,942,887.60/5,821,414,331.40 = 2,133,470,401.20/x
  3. Step 3: Cross multiply
    3,880,942,887.60x = 5,821,414,331.40 × 2,133,470,401.20
  4. Step 4: Simplify right side
    3,880,942,887.60x = 12,419,815,169,163,386,880
  5. Step 5: Solve for x
    x = 12,419,815,169,163,386,880/3,880,942,887.60
  6. Step 6: Final answer
    x = 3,200,205,601.80

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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.