Home / 806,339,939.60-1,209,733,858.20-346,498,403.60

Finding the Fourth Proportional to 806,339,939.60, 1,209,733,858.20 and 346,498,403.60

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Solution

The fourth proportional to 806,339,939.60, 1,209,733,858.20 and 346,498,403.60 is: 519,843,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,339,939.60 : 1,209,733,858.20 = 346,498,403.60 : x
  2. Step 2: Convert to fraction form
    806,339,939.60/1,209,733,858.20 = 346,498,403.60/x
  3. Step 3: Cross multiply
    806,339,939.60x = 1,209,733,858.20 × 346,498,403.60
  4. Step 4: Simplify right side
    806,339,939.60x = 419,170,850,647,168,832
  5. Step 5: Solve for x
    x = 419,170,850,647,168,832/806,339,939.60
  6. Step 6: Final answer
    x = 519,843,840.12

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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.