Finding the Fourth Proportional to 641,233,137.26, 884,903,444.62 and 347,877,705.26
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Solution
The fourth proportional to 641,233,137.26, 884,903,444.62 and 347,877,705.26 is: 480,072,163.78
Step by Step Solution
- Step 1: Write the proportion equation
641,233,137.26 : 884,903,444.62 = 347,877,705.26 : x - Step 2: Convert to fraction form
641,233,137.26/884,903,444.62 = 347,877,705.26/x - Step 3: Cross multiply
641,233,137.26x = 884,903,444.62 × 347,877,705.26 - Step 4: Simplify right side
641,233,137.26x = 307,838,179,691,075,072 - Step 5: Solve for x
x = 307,838,179,691,075,072/641,233,137.26 - Step 6: Final answer
x = 480,072,163.78
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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.