Finding the Fourth Proportional to 529,809,694.68, 731,137,381.26 and 294,915,845.43
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Solution
The fourth proportional to 529,809,694.68, 731,137,381.26 and 294,915,845.43 is: 406,983,868.14
Step by Step Solution
- Step 1: Write the proportion equation
529,809,694.68 : 731,137,381.26 = 294,915,845.43 : x - Step 2: Convert to fraction form
529,809,694.68/731,137,381.26 = 294,915,845.43/x - Step 3: Cross multiply
529,809,694.68x = 731,137,381.26 × 294,915,845.43 - Step 4: Simplify right side
529,809,694.68x = 215,623,998,919,769,152 - Step 5: Solve for x
x = 215,623,998,919,769,152/529,809,694.68 - Step 6: Final answer
x = 406,983,868.14
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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.