Home / 7,260,446,078.20-10,890,669,117.30-7,099,202,942.20

Finding the Fourth Proportional to 7,260,446,078.20, 10,890,669,117.30 and 7,099,202,942.20

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Solution

The fourth proportional to 7,260,446,078.20, 10,890,669,117.30 and 7,099,202,942.20 is: 10,648,804,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,446,078.20 : 10,890,669,117.30 = 7,099,202,942.20 : x
  2. Step 2: Convert to fraction form
    7,260,446,078.20/10,890,669,117.30 = 7,099,202,942.20/x
  3. Step 3: Cross multiply
    7,260,446,078.20x = 10,890,669,117.30 × 7,099,202,942.20
  4. Step 4: Simplify right side
    7,260,446,078.20x = 77,315,070,240,062,832,640
  5. Step 5: Solve for x
    x = 77,315,070,240,062,832,640/7,260,446,078.20
  6. Step 6: Final answer
    x = 10,648,804,413.30

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Double scale
Find fourth proportional to 7,260,446,079.20, 10,890,669,118.80 and 7,099,202,943.20
Similar ratio
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1.5x scale

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.