Finding the Fourth Proportional to 3,664,288,623.80, 5,493,923,679.96 and 1,866,021,243.43
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Solution
The fourth proportional to 3,664,288,623.80, 5,493,923,679.96 and 1,866,021,243.43 is: 2,797,754,038.80
Step by Step Solution
- Step 1: Write the proportion equation
3,664,288,623.80 : 5,493,923,679.96 = 1,866,021,243.43 : x - Step 2: Convert to fraction form
3,664,288,623.80/5,493,923,679.96 = 1,866,021,243.43/x - Step 3: Cross multiply
3,664,288,623.80x = 5,493,923,679.96 × 1,866,021,243.43 - Step 4: Simplify right side
3,664,288,623.80x = 10,251,778,296,578,478,080 - Step 5: Solve for x
x = 10,251,778,296,578,478,080/3,664,288,623.80 - Step 6: Final answer
x = 2,797,754,038.80
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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.