Finding the Fourth Proportional to 370,986,992,360.20, 556,161,777,846.35 and 128,932,654,529.09
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Solution
The fourth proportional to 370,986,992,360.20, 556,161,777,846.35 and 128,932,654,529.09 is: 193,288,217,220.63
Step by Step Solution
- Step 1: Write the proportion equation
370,986,992,360.20 : 556,161,777,846.35 = 128,932,654,529.09 : x - Step 2: Convert to fraction form
370,986,992,360.20/556,161,777,846.35 = 128,932,654,529.09/x - Step 3: Cross multiply
370,986,992,360.20x = 556,161,777,846.35 × 128,932,654,529.09 - Step 4: Simplify right side
370,986,992,360.20x = 71,707,414,365,347,935,944,704 - Step 5: Solve for x
x = 71,707,414,365,347,935,944,704/370,986,992,360.20 - Step 6: Final answer
x = 193,288,217,220.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.