Finding the Fourth Proportional to 5,215,176,076.60, 7,822,764,114.90 and 1,722,120,671.80
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Solution
The fourth proportional to 5,215,176,076.60, 7,822,764,114.90 and 1,722,120,671.80 is: 2,583,181,007.70
Step by Step Solution
- Step 1: Write the proportion equation
5,215,176,076.60 : 7,822,764,114.90 = 1,722,120,671.80 : x - Step 2: Convert to fraction form
5,215,176,076.60/7,822,764,114.90 = 1,722,120,671.80/x - Step 3: Cross multiply
5,215,176,076.60x = 7,822,764,114.90 × 1,722,120,671.80 - Step 4: Simplify right side
5,215,176,076.60x = 13,471,743,792,884,518,912 - Step 5: Solve for x
x = 13,471,743,792,884,518,912/5,215,176,076.60 - Step 6: Final answer
x = 2,583,181,007.70
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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.