Finding the Fourth Proportional to 9,659,022,444.70, 13,320,457,974.64 and 6,268,306,218.09
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Solution
The fourth proportional to 9,659,022,444.70, 13,320,457,974.64 and 6,268,306,218.09 is: 8,644,426,496.40
Step by Step Solution
- Step 1: Write the proportion equation
9,659,022,444.70 : 13,320,457,974.64 = 6,268,306,218.09 : x - Step 2: Convert to fraction form
9,659,022,444.70/13,320,457,974.64 = 6,268,306,218.09/x - Step 3: Cross multiply
9,659,022,444.70x = 13,320,457,974.64 × 6,268,306,218.09 - Step 4: Simplify right side
9,659,022,444.70x = 83,496,709,550,242,430,976 - Step 5: Solve for x
x = 83,496,709,550,242,430,976/9,659,022,444.70 - Step 6: Final answer
x = 8,644,426,496.40
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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.