Finding the Fourth Proportional to 276,161,602,828.18, 381,047,739,557.88 and 154,207,572,834.02
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Solution
The fourth proportional to 276,161,602,828.18, 381,047,739,557.88 and 154,207,572,834.02 is: 212,775,586,646.89
Step by Step Solution
- Step 1: Write the proportion equation
276,161,602,828.18 : 381,047,739,557.88 = 154,207,572,834.02 : x - Step 2: Convert to fraction form
276,161,602,828.18/381,047,739,557.88 = 154,207,572,834.02/x - Step 3: Cross multiply
276,161,602,828.18x = 381,047,739,557.88 × 154,207,572,834.02 - Step 4: Simplify right side
276,161,602,828.18x = 58,760,447,051,110,459,375,616 - Step 5: Solve for x
x = 58,760,447,051,110,459,375,616/276,161,602,828.18 - Step 6: Final answer
x = 212,775,586,646.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.