Finding the Fourth Proportional to 1,597,514,993.67, 2,204,528,398.10 and 892,672,766.99
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Solution
The fourth proportional to 1,597,514,993.67, 2,204,528,398.10 and 892,672,766.99 is: 1,231,864,785.51
Step by Step Solution
- Step 1: Write the proportion equation
1,597,514,993.67 : 2,204,528,398.10 = 892,672,766.99 : x - Step 2: Convert to fraction form
1,597,514,993.67/2,204,528,398.10 = 892,672,766.99/x - Step 3: Cross multiply
1,597,514,993.67x = 2,204,528,398.10 × 892,672,766.99 - Step 4: Simplify right side
1,597,514,993.67x = 1,967,922,465,027,865,600 - Step 5: Solve for x
x = 1,967,922,465,027,865,600/1,597,514,993.67 - Step 6: Final answer
x = 1,231,864,785.51
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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.