Finding the Fourth Proportional to 3,556,901,021.08, 4,910,754,541.89 and 2,288,944,984.18
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Solution
The fourth proportional to 3,556,901,021.08, 4,910,754,541.89 and 2,288,944,984.18 is: 3,160,179,861.79
Step by Step Solution
- Step 1: Write the proportion equation
3,556,901,021.08 : 4,910,754,541.89 = 2,288,944,984.18 : x - Step 2: Convert to fraction form
3,556,901,021.08/4,910,754,541.89 = 2,288,944,984.18/x - Step 3: Cross multiply
3,556,901,021.08x = 4,910,754,541.89 × 2,288,944,984.18 - Step 4: Simplify right side
3,556,901,021.08x = 11,240,446,977,198,268,416 - Step 5: Solve for x
x = 11,240,446,977,198,268,416/3,556,901,021.08 - Step 6: Final answer
x = 3,160,179,861.79
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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.