Finding the Fourth Proportional to 6,121,845,208.61, 9,184,225,069.79 and 1,981,288,732.42
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Solution
The fourth proportional to 6,121,845,208.61, 9,184,225,069.79 and 1,981,288,732.42 is: 2,972,404,728.76
Step by Step Solution
- Step 1: Write the proportion equation
6,121,845,208.61 : 9,184,225,069.79 = 1,981,288,732.42 : x - Step 2: Convert to fraction form
6,121,845,208.61/9,184,225,069.79 = 1,981,288,732.42/x - Step 3: Cross multiply
6,121,845,208.61x = 9,184,225,069.79 × 1,981,288,732.42 - Step 4: Simplify right side
6,121,845,208.61x = 18,196,601,646,792,730,624 - Step 5: Solve for x
x = 18,196,601,646,792,730,624/6,121,845,208.61 - Step 6: Final answer
x = 2,972,404,728.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.