Finding the Fourth Proportional to 1,282,121,471,613.50, 1,923,244,060,371.30 and 421,576,589,119.99
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Solution
The fourth proportional to 1,282,121,471,613.50, 1,923,244,060,371.30 and 421,576,589,119.99 is: 632,385,221,656.31
Step by Step Solution
- Step 1: Write the proportion equation
1,282,121,471,613.50 : 1,923,244,060,371.30 = 421,576,589,119.99 : x - Step 2: Convert to fraction form
1,282,121,471,613.50/1,923,244,060,371.30 = 421,576,589,119.99/x - Step 3: Cross multiply
1,282,121,471,613.50x = 1,923,244,060,371.30 × 421,576,589,119.99 - Step 4: Simplify right side
1,282,121,471,613.50x = 810,794,671,016,612,821,204,992 - Step 5: Solve for x
x = 810,794,671,016,612,821,204,992/1,282,121,471,613.50 - Step 6: Final answer
x = 632,385,221,656.31
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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.