Finding the Fourth Proportional to 2,528,644,528.80, 3,792,966,793.20 and 2,489,902,479.90
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Solution
The fourth proportional to 2,528,644,528.80, 3,792,966,793.20 and 2,489,902,479.90 is: 3,734,853,719.85
Step by Step Solution
- Step 1: Write the proportion equation
2,528,644,528.80 : 3,792,966,793.20 = 2,489,902,479.90 : x - Step 2: Convert to fraction form
2,528,644,528.80/3,792,966,793.20 = 2,489,902,479.90/x - Step 3: Cross multiply
2,528,644,528.80x = 3,792,966,793.20 × 2,489,902,479.90 - Step 4: Simplify right side
2,528,644,528.80x = 9,444,117,424,567,029,760 - Step 5: Solve for x
x = 9,444,117,424,567,029,760/2,528,644,528.80 - Step 6: Final answer
x = 3,734,853,719.85
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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.