Home / 1,890,120,620.40-2,835,180,930.60-1,224,331,335.60

Finding the Fourth Proportional to 1,890,120,620.40, 2,835,180,930.60 and 1,224,331,335.60

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Solution

The fourth proportional to 1,890,120,620.40, 2,835,180,930.60 and 1,224,331,335.60 is: 1,836,497,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,120,620.40 : 2,835,180,930.60 = 1,224,331,335.60 : x
  2. Step 2: Convert to fraction form
    1,890,120,620.40/2,835,180,930.60 = 1,224,331,335.60/x
  3. Step 3: Cross multiply
    1,890,120,620.40x = 2,835,180,930.60 × 1,224,331,335.60
  4. Step 4: Simplify right side
    1,890,120,620.40x = 3,471,200,855,429,148,672
  5. Step 5: Solve for x
    x = 3,471,200,855,429,148,672/1,890,120,620.40
  6. Step 6: Final answer
    x = 1,836,497,003.40

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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.