Finding the Fourth Proportional to 1,635,663,169.26, 2,257,206,245.37 and 893,101,917.60
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Solution
The fourth proportional to 1,635,663,169.26, 2,257,206,245.37 and 893,101,917.60 is: 1,232,475,771.32
Step by Step Solution
- Step 1: Write the proportion equation
1,635,663,169.26 : 2,257,206,245.37 = 893,101,917.60 : x - Step 2: Convert to fraction form
1,635,663,169.26/2,257,206,245.37 = 893,101,917.60/x - Step 3: Cross multiply
1,635,663,169.26x = 2,257,206,245.37 × 893,101,917.60 - Step 4: Simplify right side
1,635,663,169.26x = 2,015,915,226,158,643,200 - Step 5: Solve for x
x = 2,015,915,226,158,643,200/1,635,663,169.26 - Step 6: Final answer
x = 1,232,475,771.32
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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.