Finding the Fourth Proportional to 2,073,428,004, 2,861,390,365.20 and 1,146,339,691.68
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Solution
The fourth proportional to 2,073,428,004, 2,861,390,365.20 and 1,146,339,691.68 is: 1,581,981,791.84
Step by Step Solution
- Step 1: Write the proportion equation
2,073,428,004 : 2,861,390,365.20 = 1,146,339,691.68 : x - Step 2: Convert to fraction form
2,073,428,004/2,861,390,365.20 = 1,146,339,691.68/x - Step 3: Cross multiply
2,073,428,004x = 2,861,390,365.20 × 1,146,339,691.68 - Step 4: Simplify right side
2,073,428,004x = 3,280,125,349,019,490,816 - Step 5: Solve for x
x = 3,280,125,349,019,490,816/2,073,428,004 - Step 6: Final answer
x = 1,581,981,791.84
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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.