Home / 3,824,896,140.80-5,280,793,785.12-3,121,725,427.52

Finding the Fourth Proportional to 3,824,896,140.80, 5,280,793,785.12 and 3,121,725,427.52

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Solution

The fourth proportional to 3,824,896,140.80, 5,280,793,785.12 and 3,121,725,427.52 is: 4,309,970,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824,896,140.80 : 5,280,793,785.12 = 3,121,725,427.52 : x
  2. Step 2: Convert to fraction form
    3,824,896,140.80/5,280,793,785.12 = 3,121,725,427.52/x
  3. Step 3: Cross multiply
    3,824,896,140.80x = 5,280,793,785.12 × 3,121,725,427.52
  4. Step 4: Simplify right side
    3,824,896,140.80x = 16,485,188,236,498,690,048
  5. Step 5: Solve for x
    x = 16,485,188,236,498,690,048/3,824,896,140.80
  6. Step 6: Final answer
    x = 4,309,970,161.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.