Finding the Fourth Proportional to 929,232,034.80, 1,393,848,052.20 and 651,087,625.20
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Solution
The fourth proportional to 929,232,034.80, 1,393,848,052.20 and 651,087,625.20 is: 976,631,437.80
Step by Step Solution
- Step 1: Write the proportion equation
929,232,034.80 : 1,393,848,052.20 = 651,087,625.20 : x - Step 2: Convert to fraction form
929,232,034.80/1,393,848,052.20 = 651,087,625.20/x - Step 3: Cross multiply
929,232,034.80x = 1,393,848,052.20 × 651,087,625.20 - Step 4: Simplify right side
929,232,034.80x = 907,517,218,196,543,744 - Step 5: Solve for x
x = 907,517,218,196,543,744/929,232,034.80 - Step 6: Final answer
x = 976,631,437.80
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Half scale
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Double scale
Find fourth proportional to 929,232,035.80, 1,393,848,053.70 and 651,087,626.20
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.