Home / 798,849,203.20-1,198,273,804.80-389,694,745.60

Finding the Fourth Proportional to 798,849,203.20, 1,198,273,804.80 and 389,694,745.60

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Solution

The fourth proportional to 798,849,203.20, 1,198,273,804.80 and 389,694,745.60 is: 584,542,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,849,203.20 : 1,198,273,804.80 = 389,694,745.60 : x
  2. Step 2: Convert to fraction form
    798,849,203.20/1,198,273,804.80 = 389,694,745.60/x
  3. Step 3: Cross multiply
    798,849,203.20x = 1,198,273,804.80 × 389,694,745.60
  4. Step 4: Simplify right side
    798,849,203.20x = 466,961,005,520,680,064
  5. Step 5: Solve for x
    x = 466,961,005,520,680,064/798,849,203.20
  6. Step 6: Final answer
    x = 584,542,118.40

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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.