Finding the Fourth Proportional to 611,521,795.36, 843,848,239.20 and 343,576,649.92
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Solution
The fourth proportional to 611,521,795.36, 843,848,239.20 and 343,576,649.92 is: 474,106,652.07
Step by Step Solution
- Step 1: Write the proportion equation
611,521,795.36 : 843,848,239.20 = 343,576,649.92 : x - Step 2: Convert to fraction form
611,521,795.36/843,848,239.20 = 343,576,649.92/x - Step 3: Cross multiply
611,521,795.36x = 843,848,239.20 × 343,576,649.92 - Step 4: Simplify right side
611,521,795.36x = 289,926,551,065,226,880 - Step 5: Solve for x
x = 289,926,551,065,226,880/611,521,795.36 - Step 6: Final answer
x = 474,106,652.07
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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.