Finding the Fourth Proportional to 276,161,602,836.84, 381,047,739,569.88 and 154,207,572,842.68
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Solution
The fourth proportional to 276,161,602,836.84, 381,047,739,569.88 and 154,207,572,842.68 is: 212,775,586,658.86
Step by Step Solution
- Step 1: Write the proportion equation
276,161,602,836.84 : 381,047,739,569.88 = 154,207,572,842.68 : x - Step 2: Convert to fraction form
276,161,602,836.84/381,047,739,569.88 = 154,207,572,842.68/x - Step 3: Cross multiply
276,161,602,836.84x = 381,047,739,569.88 × 154,207,572,842.68 - Step 4: Simplify right side
276,161,602,836.84x = 58,760,447,056,260,829,806,592 - Step 5: Solve for x
x = 58,760,447,056,260,829,806,592/276,161,602,836.84 - Step 6: Final answer
x = 212,775,586,658.86
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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.