Finding the Fourth Proportional to 2,437,778,821.40, 3,656,668,232.10 and 1,816,992,747.80
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Solution
The fourth proportional to 2,437,778,821.40, 3,656,668,232.10 and 1,816,992,747.80 is: 2,725,489,121.70
Step by Step Solution
- Step 1: Write the proportion equation
2,437,778,821.40 : 3,656,668,232.10 = 1,816,992,747.80 : x - Step 2: Convert to fraction form
2,437,778,821.40/3,656,668,232.10 = 1,816,992,747.80/x - Step 3: Cross multiply
2,437,778,821.40x = 3,656,668,232.10 × 1,816,992,747.80 - Step 4: Simplify right side
2,437,778,821.40x = 6,644,139,658,836,346,880 - Step 5: Solve for x
x = 6,644,139,658,836,346,880/2,437,778,821.40 - Step 6: Final answer
x = 2,725,489,121.70
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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.