Finding the Fourth Proportional to 44,220,775,627.70, 66,331,163,441.55 and 19,425,864,331.70
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Solution
The fourth proportional to 44,220,775,627.70, 66,331,163,441.55 and 19,425,864,331.70 is: 29,138,796,497.55
Step by Step Solution
- Step 1: Write the proportion equation
44,220,775,627.70 : 66,331,163,441.55 = 19,425,864,331.70 : x - Step 2: Convert to fraction form
44,220,775,627.70/66,331,163,441.55 = 19,425,864,331.70/x - Step 3: Cross multiply
44,220,775,627.70x = 66,331,163,441.55 × 19,425,864,331.70 - Step 4: Simplify right side
44,220,775,627.70x = 1,288,540,181,979,369,308,160 - Step 5: Solve for x
x = 1,288,540,181,979,369,308,160/44,220,775,627.70 - Step 6: Final answer
x = 29,138,796,497.55
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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.