Finding the Fourth Proportional to 118,378,482,748.70, 177,567,724,123.05 and 118,378,482,748.70
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Solution
The fourth proportional to 118,378,482,748.70, 177,567,724,123.05 and 118,378,482,748.70 is: 177,567,724,123.05
Step by Step Solution
- Step 1: Write the proportion equation
118,378,482,748.70 : 177,567,724,123.05 = 118,378,482,748.70 : x - Step 2: Convert to fraction form
118,378,482,748.70/177,567,724,123.05 = 118,378,482,748.70/x - Step 3: Cross multiply
118,378,482,748.70x = 177,567,724,123.05 × 118,378,482,748.70 - Step 4: Simplify right side
118,378,482,748.70x = 21,020,197,766,826,393,862,144 - Step 5: Solve for x
x = 21,020,197,766,826,393,862,144/118,378,482,748.70 - Step 6: Final answer
x = 177,567,724,123.05
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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.