Finding the Fourth Proportional to 21,452,842,566.33, 32,149,844,097.90 and 13,578,198,276.99
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Solution
The fourth proportional to 21,452,842,566.33, 32,149,844,097.90 and 13,578,198,276.99 is: 20,348,676,702.67
Step by Step Solution
- Step 1: Write the proportion equation
21,452,842,566.33 : 32,149,844,097.90 = 13,578,198,276.99 : x - Step 2: Convert to fraction form
21,452,842,566.33/32,149,844,097.90 = 13,578,198,276.99/x - Step 3: Cross multiply
21,452,842,566.33x = 32,149,844,097.90 × 13,578,198,276.99 - Step 4: Simplify right side
21,452,842,566.33x = 436,536,957,735,602,946,048 - Step 5: Solve for x
x = 436,536,957,735,602,946,048/21,452,842,566.33 - Step 6: Final answer
x = 20,348,676,702.67
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1.5x scale
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.