Finding the Fourth Proportional to 2,489,930,231.50, 3,732,596,938.74 and 1,245,277,620.99
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Solution
The fourth proportional to 2,489,930,231.50, 3,732,596,938.74 and 1,245,277,620.99 is: 1,866,766,938.76
Step by Step Solution
- Step 1: Write the proportion equation
2,489,930,231.50 : 3,732,596,938.74 = 1,245,277,620.99 : x - Step 2: Convert to fraction form
2,489,930,231.50/3,732,596,938.74 = 1,245,277,620.99/x - Step 3: Cross multiply
2,489,930,231.50x = 3,732,596,938.74 × 1,245,277,620.99 - Step 4: Simplify right side
2,489,930,231.50x = 4,648,119,435,986,462,720 - Step 5: Solve for x
x = 4,648,119,435,986,462,720/2,489,930,231.50 - Step 6: Final answer
x = 1,866,766,938.76
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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.