Finding the Fourth Proportional to 47,121,690,668.39, 70,682,070,205.61 and 21,588,596,482.79
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Solution
The fourth proportional to 47,121,690,668.39, 70,682,070,205.61 and 21,588,596,482.79 is: 32,382,681,321.33
Step by Step Solution
- Step 1: Write the proportion equation
47,121,690,668.39 : 70,682,070,205.61 = 21,588,596,482.79 : x - Step 2: Convert to fraction form
47,121,690,668.39/70,682,070,205.61 = 21,588,596,482.79/x - Step 3: Cross multiply
47,121,690,668.39x = 70,682,070,205.61 × 21,588,596,482.79 - Step 4: Simplify right side
47,121,690,668.39x = 1,525,926,692,236,686,524,416 - Step 5: Solve for x
x = 1,525,926,692,236,686,524,416/47,121,690,668.39 - Step 6: Final answer
x = 32,382,681,321.33
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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.