Home / 1,890,120,621.40-2,835,180,932.10-1,224,331,336.60

Finding the Fourth Proportional to 1,890,120,621.40, 2,835,180,932.10 and 1,224,331,336.60

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Solution

The fourth proportional to 1,890,120,621.40, 2,835,180,932.10 and 1,224,331,336.60 is: 1,836,497,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,120,621.40 : 2,835,180,932.10 = 1,224,331,336.60 : x
  2. Step 2: Convert to fraction form
    1,890,120,621.40/2,835,180,932.10 = 1,224,331,336.60/x
  3. Step 3: Cross multiply
    1,890,120,621.40x = 2,835,180,932.10 × 1,224,331,336.60
  4. Step 4: Simplify right side
    1,890,120,621.40x = 3,471,200,860,100,826,624
  5. Step 5: Solve for x
    x = 3,471,200,860,100,826,624/1,890,120,621.40
  6. Step 6: Final answer
    x = 1,836,497,004.90

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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.