Finding the Fourth Proportional to 958,556,442.65, 1,322,583,240.77 and 582,202,548.17
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Solution
The fourth proportional to 958,556,442.65, 1,322,583,240.77 and 582,202,548.17 is: 803,303,069.78
Step by Step Solution
- Step 1: Write the proportion equation
958,556,442.65 : 1,322,583,240.77 = 582,202,548.17 : x - Step 2: Convert to fraction form
958,556,442.65/1,322,583,240.77 = 582,202,548.17/x - Step 3: Cross multiply
958,556,442.65x = 1,322,583,240.77 × 582,202,548.17 - Step 4: Simplify right side
958,556,442.65x = 770,011,332,933,706,752 - Step 5: Solve for x
x = 770,011,332,933,706,752/958,556,442.65 - Step 6: Final answer
x = 803,303,069.78
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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.