Finding the Fourth Proportional to 2,279,745,040.48, 3,146,054,212.20 and 1,236,703,504.48
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Solution
The fourth proportional to 2,279,745,040.48, 3,146,054,212.20 and 1,236,703,504.48 is: 1,706,654,121.59
Step by Step Solution
- Step 1: Write the proportion equation
2,279,745,040.48 : 3,146,054,212.20 = 1,236,703,504.48 : x - Step 2: Convert to fraction form
2,279,745,040.48/3,146,054,212.20 = 1,236,703,504.48/x - Step 3: Cross multiply
2,279,745,040.48x = 3,146,054,212.20 × 1,236,703,504.48 - Step 4: Simplify right side
2,279,745,040.48x = 3,890,736,269,511,805,440 - Step 5: Solve for x
x = 3,890,736,269,511,805,440/2,279,745,040.48 - Step 6: Final answer
x = 1,706,654,121.59
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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.