Finding the Fourth Proportional to 343,465,121.70, 515,794,879.35 and 182,221,985.70
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Solution
The fourth proportional to 343,465,121.70, 515,794,879.35 and 182,221,985.70 is: 273,649,815.34
Step by Step Solution
- Step 1: Write the proportion equation
343,465,121.70 : 515,794,879.35 = 182,221,985.70 : x - Step 2: Convert to fraction form
343,465,121.70/515,794,879.35 = 182,221,985.70/x - Step 3: Cross multiply
343,465,121.70x = 515,794,879.35 × 182,221,985.70 - Step 4: Simplify right side
343,465,121.70x = 93,989,167,129,048,928 - Step 5: Solve for x
x = 93,989,167,129,048,928/343,465,121.70 - Step 6: Final answer
x = 273,649,815.34
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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.