Finding the Fourth Proportional to 79,524,586,043.68, 109,746,257,347.92 and 43,397,946,338.08
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Solution
The fourth proportional to 79,524,586,043.68, 109,746,257,347.92 and 43,397,946,338.08 is: 59,890,436,708.14
Step by Step Solution
- Step 1: Write the proportion equation
79,524,586,043.68 : 109,746,257,347.92 = 43,397,946,338.08 : x - Step 2: Convert to fraction form
79,524,586,043.68/109,746,257,347.92 = 43,397,946,338.08/x - Step 3: Cross multiply
79,524,586,043.68x = 109,746,257,347.92 × 43,397,946,338.08 - Step 4: Simplify right side
79,524,586,043.68x = 4,762,762,187,190,150,627,328 - Step 5: Solve for x
x = 4,762,762,187,190,150,627,328/79,524,586,043.68 - Step 6: Final answer
x = 59,890,436,708.14
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1.5x scale
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.