Finding the Fourth Proportional to 28,640,188,268,192, 39,530,813,537,576 and 18,653,566,315,551
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Solution
The fourth proportional to 28,640,188,268,192, 39,530,813,537,576 and 18,653,566,315,551 is: 25,746,711,052,517.99
Step by Step Solution
- Step 1: Write the proportion equation
28,640,188,268,192 : 39,530,813,537,576 = 18,653,566,315,551 : x - Step 2: Convert to fraction form
28,640,188,268,192/39,530,813,537,576 = 18,653,566,315,551/x - Step 3: Cross multiply
28,640,188,268,192x = 39,530,813,537,576 × 18,653,566,315,551 - Step 4: Simplify right side
28,640,188,268,192x = 737,390,651,830,855,134,169,006,080 - Step 5: Solve for x
x = 737,390,651,830,855,134,169,006,080/28,640,188,268,192 - Step 6: Final answer
x = 25,746,711,052,517.99
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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.