Finding the Fourth Proportional to 1,072,351,496, 1,479,965,174.56 and 649,198,395.20
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Solution
The fourth proportional to 1,072,351,496, 1,479,965,174.56 and 649,198,395.20 is: 895,966,499.66
Step by Step Solution
- Step 1: Write the proportion equation
1,072,351,496 : 1,479,965,174.56 = 649,198,395.20 : x - Step 2: Convert to fraction form
1,072,351,496/1,479,965,174.56 = 649,198,395.20/x - Step 3: Cross multiply
1,072,351,496x = 1,479,965,174.56 × 649,198,395.20 - Step 4: Simplify right side
1,072,351,496x = 960,791,016,276,239,872 - Step 5: Solve for x
x = 960,791,016,276,239,872/1,072,351,496 - Step 6: Final answer
x = 895,966,499.66
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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.