Finding the Fourth Proportional to 7,327,482,578.84, 10,086,397,021.19 and 6,386,066,733.80
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Solution
The fourth proportional to 7,327,482,578.84, 10,086,397,021.19 and 6,386,066,733.80 is: 8,790,523,046.34
Step by Step Solution
- Step 1: Write the proportion equation
7,327,482,578.84 : 10,086,397,021.19 = 6,386,066,733.80 : x - Step 2: Convert to fraction form
7,327,482,578.84/10,086,397,021.19 = 6,386,066,733.80/x - Step 3: Cross multiply
7,327,482,578.84x = 10,086,397,021.19 × 6,386,066,733.80 - Step 4: Simplify right side
7,327,482,578.84x = 64,412,404,480,888,594,432 - Step 5: Solve for x
x = 64,412,404,480,888,594,432/7,327,482,578.84 - Step 6: Final answer
x = 8,790,523,046.34
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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.