Finding the Fourth Proportional to 611,521,797.36, 843,848,241.96 and 343,576,651.92
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Solution
The fourth proportional to 611,521,797.36, 843,848,241.96 and 343,576,651.92 is: 474,106,654.83
Step by Step Solution
- Step 1: Write the proportion equation
611,521,797.36 : 843,848,241.96 = 343,576,651.92 : x - Step 2: Convert to fraction form
611,521,797.36/843,848,241.96 = 343,576,651.92/x - Step 3: Cross multiply
611,521,797.36x = 843,848,241.96 × 343,576,651.92 - Step 4: Simplify right side
611,521,797.36x = 289,926,553,701,194,880 - Step 5: Solve for x
x = 289,926,553,701,194,880/611,521,797.36 - Step 6: Final answer
x = 474,106,654.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.