Finding the Fourth Proportional to 2,209,220,804.70, 3,313,750,493.34 and 656,471,770.02
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Solution
The fourth proportional to 2,209,220,804.70, 3,313,750,493.34 and 656,471,770.02 is: 984,683,670.89
Step by Step Solution
- Step 1: Write the proportion equation
2,209,220,804.70 : 3,313,750,493.34 = 656,471,770.02 : x - Step 2: Convert to fraction form
2,209,220,804.70/3,313,750,493.34 = 656,471,770.02/x - Step 3: Cross multiply
2,209,220,804.70x = 3,313,750,493.34 × 656,471,770.02 - Step 4: Simplify right side
2,209,220,804.70x = 2,175,383,651,767,558,144 - Step 5: Solve for x
x = 2,175,383,651,767,558,144/2,209,220,804.70 - Step 6: Final answer
x = 984,683,670.89
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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.