Finding the Fourth Proportional to 1,863,324,129.80, 2,794,986,194.70 and 1,851,230,894.60
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Solution
The fourth proportional to 1,863,324,129.80, 2,794,986,194.70 and 1,851,230,894.60 is: 2,776,846,341.90
Step by Step Solution
- Step 1: Write the proportion equation
1,863,324,129.80 : 2,794,986,194.70 = 1,851,230,894.60 : x - Step 2: Convert to fraction form
1,863,324,129.80/2,794,986,194.70 = 1,851,230,894.60/x - Step 3: Cross multiply
1,863,324,129.80x = 2,794,986,194.70 × 1,851,230,894.60 - Step 4: Simplify right side
1,863,324,129.80x = 5,174,164,793,609,129,984 - Step 5: Solve for x
x = 5,174,164,793,609,129,984/1,863,324,129.80 - Step 6: Final answer
x = 2,776,846,341.90
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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.