Finding the Fourth Proportional to 2,763,734,668,912.20, 4,146,167,413,929.80 and 950,374,782,185.70
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Solution
The fourth proportional to 2,763,734,668,912.20, 4,146,167,413,929.80 and 950,374,782,185.70 is: 1,425,756,602,919.45
Step by Step Solution
- Step 1: Write the proportion equation
2,763,734,668,912.20 : 4,146,167,413,929.80 = 950,374,782,185.70 : x - Step 2: Convert to fraction form
2,763,734,668,912.20/4,146,167,413,929.80 = 950,374,782,185.70/x - Step 3: Cross multiply
2,763,734,668,912.20x = 4,146,167,413,929.80 × 950,374,782,185.70 - Step 4: Simplify right side
2,763,734,668,912.20x = 3,940,412,952,918,980,233,789,440 - Step 5: Solve for x
x = 3,940,412,952,918,980,233,789,440/2,763,734,668,912.20 - Step 6: Final answer
x = 1,425,756,602,919.45
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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.