Finding the Fourth Proportional to 972,163,390.56, 1,458,122,082.84 and 308,183,810.28
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Solution
The fourth proportional to 972,163,390.56, 1,458,122,082.84 and 308,183,810.28 is: 462,236,722.45
Step by Step Solution
- Step 1: Write the proportion equation
972,163,390.56 : 1,458,122,082.84 = 308,183,810.28 : x - Step 2: Convert to fraction form
972,163,390.56/1,458,122,082.84 = 308,183,810.28/x - Step 3: Cross multiply
972,163,390.56x = 1,458,122,082.84 × 308,183,810.28 - Step 4: Simplify right side
972,163,390.56x = 449,369,619,343,040,960 - Step 5: Solve for x
x = 449,369,619,343,040,960/972,163,390.56 - Step 6: Final answer
x = 462,236,722.45
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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.