Finding the Fourth Proportional to 276,338,278.24, 381,186,959.76 and 178,553,134.24
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Solution
The fourth proportional to 276,338,278.24, 381,186,959.76 and 178,553,134.24 is: 246,300,030.64
Step by Step Solution
- Step 1: Write the proportion equation
276,338,278.24 : 381,186,959.76 = 178,553,134.24 : x - Step 2: Convert to fraction form
276,338,278.24/381,186,959.76 = 178,553,134.24/x - Step 3: Cross multiply
276,338,278.24x = 381,186,959.76 × 178,553,134.24 - Step 4: Simplify right side
276,338,278.24x = 68,062,126,396,564,760 - Step 5: Solve for x
x = 68,062,126,396,564,760/276,338,278.24 - Step 6: Final answer
x = 246,300,030.64
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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.