Finding the Fourth Proportional to 347,515,877.70, 521,265,846.15 and 174,946,349.70
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Solution
The fourth proportional to 347,515,877.70, 521,265,846.15 and 174,946,349.70 is: 262,415,512.09
Step by Step Solution
- Step 1: Write the proportion equation
347,515,877.70 : 521,265,846.15 = 174,946,349.70 : x - Step 2: Convert to fraction form
347,515,877.70/521,265,846.15 = 174,946,349.70/x - Step 3: Cross multiply
347,515,877.70x = 521,265,846.15 × 174,946,349.70 - Step 4: Simplify right side
347,515,877.70x = 91,193,557,007,224,288 - Step 5: Solve for x
x = 91,193,557,007,224,288/347,515,877.70 - Step 6: Final answer
x = 262,415,512.09
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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.