Finding the Fourth Proportional to 263,304,866.17, 395,118,732.44 and 117,861,405.49
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Solution
The fourth proportional to 263,304,866.17, 395,118,732.44 and 117,861,405.49 is: 176,864,369.50
Step by Step Solution
- Step 1: Write the proportion equation
263,304,866.17 : 395,118,732.44 = 117,861,405.49 : x - Step 2: Convert to fraction form
263,304,866.17/395,118,732.44 = 117,861,405.49/x - Step 3: Cross multiply
263,304,866.17x = 395,118,732.44 × 117,861,405.49 - Step 4: Simplify right side
263,304,866.17x = 46,569,249,140,805,656 - Step 5: Solve for x
x = 46,569,249,140,805,656/263,304,866.17 - Step 6: Final answer
x = 176,864,369.50
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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.