Finding the Fourth Proportional to 393,476,866.36, 590,419,566.96 and 160,478,517.31
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Solution
The fourth proportional to 393,476,866.36, 590,419,566.96 and 160,478,517.31 is: 240,801,085.90
Step by Step Solution
- Step 1: Write the proportion equation
393,476,866.36 : 590,419,566.96 = 160,478,517.31 : x - Step 2: Convert to fraction form
393,476,866.36/590,419,566.96 = 160,478,517.31/x - Step 3: Cross multiply
393,476,866.36x = 590,419,566.96 × 160,478,517.31 - Step 4: Simplify right side
393,476,866.36x = 94,749,656,696,553,072 - Step 5: Solve for x
x = 94,749,656,696,553,072/393,476,866.36 - Step 6: Final answer
x = 240,801,085.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.