Finding the Fourth Proportional to 263,304,868.17, 395,118,735.44 and 117,861,407.49
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Solution
The fourth proportional to 263,304,868.17, 395,118,735.44 and 117,861,407.49 is: 176,864,372.50
Step by Step Solution
- Step 1: Write the proportion equation
263,304,868.17 : 395,118,735.44 = 117,861,407.49 : x - Step 2: Convert to fraction form
263,304,868.17/395,118,735.44 = 117,861,407.49/x - Step 3: Cross multiply
263,304,868.17x = 395,118,735.44 × 117,861,407.49 - Step 4: Simplify right side
263,304,868.17x = 46,569,250,284,627,344 - Step 5: Solve for x
x = 46,569,250,284,627,344/263,304,868.17 - Step 6: Final answer
x = 176,864,372.50
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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.