Home / 2,688,056,942.20-4,032,085,413.30-847,995,623.80

Finding the Fourth Proportional to 2,688,056,942.20, 4,032,085,413.30 and 847,995,623.80

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Solution

The fourth proportional to 2,688,056,942.20, 4,032,085,413.30 and 847,995,623.80 is: 1,271,993,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,056,942.20 : 4,032,085,413.30 = 847,995,623.80 : x
  2. Step 2: Convert to fraction form
    2,688,056,942.20/4,032,085,413.30 = 847,995,623.80/x
  3. Step 3: Cross multiply
    2,688,056,942.20x = 4,032,085,413.30 × 847,995,623.80
  4. Step 4: Simplify right side
    2,688,056,942.20x = 3,419,190,785,266,214,400
  5. Step 5: Solve for x
    x = 3,419,190,785,266,214,400/2,688,056,942.20
  6. Step 6: Final answer
    x = 1,271,993,435.70

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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.