Finding the Fourth Proportional to 2,825,266,889.34, 3,898,837,365.23 and 1,555,080,716.36
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Solution
The fourth proportional to 2,825,266,889.34, 3,898,837,365.23 and 1,555,080,716.36 is: 2,145,994,357.48
Step by Step Solution
- Step 1: Write the proportion equation
2,825,266,889.34 : 3,898,837,365.23 = 1,555,080,716.36 : x - Step 2: Convert to fraction form
2,825,266,889.34/3,898,837,365.23 = 1,555,080,716.36/x - Step 3: Cross multiply
2,825,266,889.34x = 3,898,837,365.23 × 1,555,080,716.36 - Step 4: Simplify right side
2,825,266,889.34x = 6,063,006,802,906,638,336 - Step 5: Solve for x
x = 6,063,006,802,906,638,336/2,825,266,889.34 - Step 6: Final answer
x = 2,145,994,357.48
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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.