Home / 3,298,245,166.20-4,947,367,749.30-1,989,624,847.80

Finding the Fourth Proportional to 3,298,245,166.20, 4,947,367,749.30 and 1,989,624,847.80

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Solution

The fourth proportional to 3,298,245,166.20, 4,947,367,749.30 and 1,989,624,847.80 is: 2,984,437,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,245,166.20 : 4,947,367,749.30 = 1,989,624,847.80 : x
  2. Step 2: Convert to fraction form
    3,298,245,166.20/4,947,367,749.30 = 1,989,624,847.80/x
  3. Step 3: Cross multiply
    3,298,245,166.20x = 4,947,367,749.30 × 1,989,624,847.80
  4. Step 4: Simplify right side
    3,298,245,166.20x = 9,843,405,805,211,641,856
  5. Step 5: Solve for x
    x = 9,843,405,805,211,641,856/3,298,245,166.20
  6. Step 6: Final answer
    x = 2,984,437,271.70

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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.