Finding the Fourth Proportional to 3,522,706,648.80, 5,287,461,195.60 and 2,145,211,576.80
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Solution
The fourth proportional to 3,522,706,648.80, 5,287,461,195.60 and 2,145,211,576.80 is: 3,219,888,596.90
Step by Step Solution
- Step 1: Write the proportion equation
3,522,706,648.80 : 5,287,461,195.60 = 2,145,211,576.80 : x - Step 2: Convert to fraction form
3,522,706,648.80/5,287,461,195.60 = 2,145,211,576.80/x - Step 3: Cross multiply
3,522,706,648.80x = 5,287,461,195.60 × 2,145,211,576.80 - Step 4: Simplify right side
3,522,706,648.80x = 11,342,722,968,681,889,792 - Step 5: Solve for x
x = 11,342,722,968,681,889,792/3,522,706,648.80 - Step 6: Final answer
x = 3,219,888,596.90
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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.