Finding the Fourth Proportional to 7,680,492,318.70, 11,520,738,478.05 and 5,745,574,686.70
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Solution
The fourth proportional to 7,680,492,318.70, 11,520,738,478.05 and 5,745,574,686.70 is: 8,618,362,030.05
Step by Step Solution
- Step 1: Write the proportion equation
7,680,492,318.70 : 11,520,738,478.05 = 5,745,574,686.70 : x - Step 2: Convert to fraction form
7,680,492,318.70/11,520,738,478.05 = 5,745,574,686.70/x - Step 3: Cross multiply
7,680,492,318.70x = 11,520,738,478.05 × 5,745,574,686.70 - Step 4: Simplify right side
7,680,492,318.70x = 66,193,263,371,574,755,328 - Step 5: Solve for x
x = 66,193,263,371,574,755,328/7,680,492,318.70 - Step 6: Final answer
x = 8,618,362,030.05
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Double scale
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Similar ratio
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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.