Finding the Fourth Proportional to 2,183,721,692.78, 3,013,535,713.47 and 1,193,651,063.66
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Solution
The fourth proportional to 2,183,721,692.78, 3,013,535,713.47 and 1,193,651,063.66 is: 1,647,238,346.19
Step by Step Solution
- Step 1: Write the proportion equation
2,183,721,692.78 : 3,013,535,713.47 = 1,193,651,063.66 : x - Step 2: Convert to fraction form
2,183,721,692.78/3,013,535,713.47 = 1,193,651,063.66/x - Step 3: Cross multiply
2,183,721,692.78x = 3,013,535,713.47 × 1,193,651,063.66 - Step 4: Simplify right side
2,183,721,692.78x = 3,597,110,109,760,862,720 - Step 5: Solve for x
x = 3,597,110,109,760,862,720/2,183,721,692.78 - Step 6: Final answer
x = 1,647,238,346.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.