Finding the Fourth Proportional to 1,353,815,796.16, 1,867,578,219.66 and 884,192,013.28
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Solution
The fourth proportional to 1,353,815,796.16, 1,867,578,219.66 and 884,192,013.28 is: 1,219,735,912.88
Step by Step Solution
- Step 1: Write the proportion equation
1,353,815,796.16 : 1,867,578,219.66 = 884,192,013.28 : x - Step 2: Convert to fraction form
1,353,815,796.16/1,867,578,219.66 = 884,192,013.28/x - Step 3: Cross multiply
1,353,815,796.16x = 1,867,578,219.66 × 884,192,013.28 - Step 4: Simplify right side
1,353,815,796.16x = 1,651,297,745,999,053,568 - Step 5: Solve for x
x = 1,651,297,745,999,053,568/1,353,815,796.16 - Step 6: Final answer
x = 1,219,735,912.88
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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.