Finding the Fourth Proportional to 9,970,324,085.70, 14,955,486,128.55 and 4,810,543,733.70
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Solution
The fourth proportional to 9,970,324,085.70, 14,955,486,128.55 and 4,810,543,733.70 is: 7,215,815,600.55
Step by Step Solution
- Step 1: Write the proportion equation
9,970,324,085.70 : 14,955,486,128.55 = 4,810,543,733.70 : x - Step 2: Convert to fraction form
9,970,324,085.70/14,955,486,128.55 = 4,810,543,733.70/x - Step 3: Cross multiply
9,970,324,085.70x = 14,955,486,128.55 × 4,810,543,733.70 - Step 4: Simplify right side
9,970,324,085.70x = 71,944,020,080,133,472,256 - Step 5: Solve for x
x = 71,944,020,080,133,472,256/9,970,324,085.70 - Step 6: Final answer
x = 7,215,815,600.55
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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.