Home / 682,245,511.50-941,498,807.37-368,979,725.46

Finding the Fourth Proportional to 682,245,511.50, 941,498,807.37 and 368,979,725.46

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Solution

The fourth proportional to 682,245,511.50, 941,498,807.37 and 368,979,725.46 is: 509,192,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,245,511.50 : 941,498,807.37 = 368,979,725.46 : x
  2. Step 2: Convert to fraction form
    682,245,511.50/941,498,807.37 = 368,979,725.46/x
  3. Step 3: Cross multiply
    682,245,511.50x = 941,498,807.37 × 368,979,725.46
  4. Step 4: Simplify right side
    682,245,511.50x = 347,393,971,464,300,032
  5. Step 5: Solve for x
    x = 347,393,971,464,300,032/682,245,511.50
  6. Step 6: Final answer
    x = 509,192,021.95

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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.