Finding the Fourth Proportional to 1,805,609,825.20, 2,708,414,737.80 and 1,616,204,252.80
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Solution
The fourth proportional to 1,805,609,825.20, 2,708,414,737.80 and 1,616,204,252.80 is: 2,424,306,379.20
Step by Step Solution
- Step 1: Write the proportion equation
1,805,609,825.20 : 2,708,414,737.80 = 1,616,204,252.80 : x - Step 2: Convert to fraction form
1,805,609,825.20/2,708,414,737.80 = 1,616,204,252.80/x - Step 3: Cross multiply
1,805,609,825.20x = 2,708,414,737.80 × 1,616,204,252.80 - Step 4: Simplify right side
1,805,609,825.20x = 4,377,351,417,578,556,928 - Step 5: Solve for x
x = 4,377,351,417,578,556,928/1,805,609,825.20 - Step 6: Final answer
x = 2,424,306,379.20
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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.