Finding the Fourth Proportional to 9,891,134,534.70, 14,836,701,802.05 and 9,822,259,781.10
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Solution
The fourth proportional to 9,891,134,534.70, 14,836,701,802.05 and 9,822,259,781.10 is: 14,733,389,671.65
Step by Step Solution
- Step 1: Write the proportion equation
9,891,134,534.70 : 14,836,701,802.05 = 9,822,259,781.10 : x - Step 2: Convert to fraction form
9,891,134,534.70/14,836,701,802.05 = 9,822,259,781.10/x - Step 3: Cross multiply
9,891,134,534.70x = 14,836,701,802.05 × 9,822,259,781.10 - Step 4: Simplify right side
9,891,134,534.70x = 145,729,939,394,449,604,608 - Step 5: Solve for x
x = 145,729,939,394,449,604,608/9,891,134,534.70 - Step 6: Final answer
x = 14,733,389,671.65
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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.