Finding the Fourth Proportional to 2,528,644,521.55, 3,792,966,782.33 and 2,489,902,472.65
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Solution
The fourth proportional to 2,528,644,521.55, 3,792,966,782.33 and 2,489,902,472.65 is: 3,734,853,708.98
Step by Step Solution
- Step 1: Write the proportion equation
2,528,644,521.55 : 3,792,966,782.33 = 2,489,902,472.65 : x - Step 2: Convert to fraction form
2,528,644,521.55/3,792,966,782.33 = 2,489,902,472.65/x - Step 3: Cross multiply
2,528,644,521.55x = 3,792,966,782.33 × 2,489,902,472.65 - Step 4: Simplify right side
2,528,644,521.55x = 9,444,117,369,990,332,416 - Step 5: Solve for x
x = 9,444,117,369,990,332,416/2,528,644,521.55 - Step 6: Final answer
x = 3,734,853,708.98
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1.5x scale
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.