Finding the Fourth Proportional to 347,736,665.80, 521,604,998.70 and 343,201,702.60
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Solution
The fourth proportional to 347,736,665.80, 521,604,998.70 and 343,201,702.60 is: 514,802,553.90
Step by Step Solution
- Step 1: Write the proportion equation
347,736,665.80 : 521,604,998.70 = 343,201,702.60 : x - Step 2: Convert to fraction form
347,736,665.80/521,604,998.70 = 343,201,702.60/x - Step 3: Cross multiply
347,736,665.80x = 521,604,998.70 × 343,201,702.60 - Step 4: Simplify right side
347,736,665.80x = 179,015,723,638,510,784 - Step 5: Solve for x
x = 179,015,723,638,510,784/347,736,665.80 - Step 6: Final answer
x = 514,802,553.90
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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.