Finding the Fourth Proportional to 848,773,941.12, 1,171,107,674.84 and 713,498,490.63
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Solution
The fourth proportional to 848,773,941.12, 1,171,107,674.84 and 713,498,490.63 is: 984,459,486.66
Step by Step Solution
- Step 1: Write the proportion equation
848,773,941.12 : 1,171,107,674.84 = 713,498,490.63 : x - Step 2: Convert to fraction form
848,773,941.12/1,171,107,674.84 = 713,498,490.63/x - Step 3: Cross multiply
848,773,941.12x = 1,171,107,674.84 × 713,498,490.63 - Step 4: Simplify right side
848,773,941.12x = 835,583,558,365,332,608 - Step 5: Solve for x
x = 835,583,558,365,332,608/848,773,941.12 - Step 6: Final answer
x = 984,459,486.66
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.