Finding the Fourth Proportional to 7,560,216,216.90, 11,340,324,325.35 and 4,948,077,413.70
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Solution
The fourth proportional to 7,560,216,216.90, 11,340,324,325.35 and 4,948,077,413.70 is: 7,422,116,120.55
Step by Step Solution
- Step 1: Write the proportion equation
7,560,216,216.90 : 11,340,324,325.35 = 4,948,077,413.70 : x - Step 2: Convert to fraction form
7,560,216,216.90/11,340,324,325.35 = 4,948,077,413.70/x - Step 3: Cross multiply
7,560,216,216.90x = 11,340,324,325.35 × 4,948,077,413.70 - Step 4: Simplify right side
7,560,216,216.90x = 56,112,802,658,297,028,608 - Step 5: Solve for x
x = 56,112,802,658,297,028,608/7,560,216,216.90 - Step 6: Final answer
x = 7,422,116,120.55
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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.