Finding the Fourth Proportional to 2,987,603,686.73, 4,481,098,428.29 and 995,430,575.84
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Solution
The fourth proportional to 2,987,603,686.73, 4,481,098,428.29 and 995,430,575.84 is: 1,493,043,541.44
Step by Step Solution
- Step 1: Write the proportion equation
2,987,603,686.73 : 4,481,098,428.29 = 995,430,575.84 : x - Step 2: Convert to fraction form
2,987,603,686.73/4,481,098,428.29 = 995,430,575.84/x - Step 3: Cross multiply
2,987,603,686.73x = 4,481,098,428.29 × 995,430,575.84 - Step 4: Simplify right side
2,987,603,686.73x = 4,460,622,388,852,715,008 - Step 5: Solve for x
x = 4,460,622,388,852,715,008/2,987,603,686.73 - Step 6: Final answer
x = 1,493,043,541.44
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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.