Finding the Fourth Proportional to 347,760,437.70, 521,640,656.55 and 186,517,301.70
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Solution
The fourth proportional to 347,760,437.70, 521,640,656.55 and 186,517,301.70 is: 279,775,952.55
Step by Step Solution
- Step 1: Write the proportion equation
347,760,437.70 : 521,640,656.55 = 186,517,301.70 : x - Step 2: Convert to fraction form
347,760,437.70/521,640,656.55 = 186,517,301.70/x - Step 3: Cross multiply
347,760,437.70x = 521,640,656.55 × 186,517,301.70 - Step 4: Simplify right side
347,760,437.70x = 97,295,007,716,722,432 - Step 5: Solve for x
x = 97,295,007,716,722,432/347,760,437.70 - Step 6: Final answer
x = 279,775,952.55
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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.