Finding the Fourth Proportional to 5,813,381,979.16, 8,707,316,045.86 and 4,805,985,613.80
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Solution
The fourth proportional to 5,813,381,979.16, 8,707,316,045.86 and 4,805,985,613.80 is: 7,198,432,134.90
Step by Step Solution
- Step 1: Write the proportion equation
5,813,381,979.16 : 8,707,316,045.86 = 4,805,985,613.80 : x - Step 2: Convert to fraction form
5,813,381,979.16/8,707,316,045.86 = 4,805,985,613.80/x - Step 3: Cross multiply
5,813,381,979.16x = 8,707,316,045.86 × 4,805,985,613.80 - Step 4: Simplify right side
5,813,381,979.16x = 41,847,235,651,213,066,240 - Step 5: Solve for x
x = 41,847,235,651,213,066,240/5,813,381,979.16 - Step 6: Final answer
x = 7,198,432,134.90
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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.