Finding the Fourth Proportional to 276,161,602,826.81, 381,047,739,556.09 and 154,207,572,832.70
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Solution
The fourth proportional to 276,161,602,826.81, 381,047,739,556.09 and 154,207,572,832.70 is: 212,775,586,645.12
Step by Step Solution
- Step 1: Write the proportion equation
276,161,602,826.81 : 381,047,739,556.09 = 154,207,572,832.70 : x - Step 2: Convert to fraction form
276,161,602,826.81/381,047,739,556.09 = 154,207,572,832.70/x - Step 3: Cross multiply
276,161,602,826.81x = 381,047,739,556.09 × 154,207,572,832.70 - Step 4: Simplify right side
276,161,602,826.81x = 58,760,447,050,331,459,682,304 - Step 5: Solve for x
x = 58,760,447,050,331,459,682,304/276,161,602,826.81 - Step 6: Final answer
x = 212,775,586,645.12
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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.