Finding the Fourth Proportional to 5,481,342,021.15, 7,564,056,274.19 and 3,102,428,882.54
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Solution
The fourth proportional to 5,481,342,021.15, 7,564,056,274.19 and 3,102,428,882.54 is: 4,281,241,083.60
Step by Step Solution
- Step 1: Write the proportion equation
5,481,342,021.15 : 7,564,056,274.19 = 3,102,428,882.54 : x - Step 2: Convert to fraction form
5,481,342,021.15/7,564,056,274.19 = 3,102,428,882.54/x - Step 3: Cross multiply
5,481,342,021.15x = 7,564,056,274.19 × 3,102,428,882.54 - Step 4: Simplify right side
5,481,342,021.15x = 23,466,946,654,231,625,728 - Step 5: Solve for x
x = 23,466,946,654,231,625,728/5,481,342,021.15 - Step 6: Final answer
x = 4,281,241,083.60
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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.