Finding the Fourth Proportional to 261,131,566.58, 360,878,601.81 and 214,014,324.10
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Solution
The fourth proportional to 261,131,566.58, 360,878,601.81 and 214,014,324.10 is: 295,763,515.14
Step by Step Solution
- Step 1: Write the proportion equation
261,131,566.58 : 360,878,601.81 = 214,014,324.10 : x - Step 2: Convert to fraction form
261,131,566.58/360,878,601.81 = 214,014,324.10/x - Step 3: Cross multiply
261,131,566.58x = 360,878,601.81 × 214,014,324.10 - Step 4: Simplify right side
261,131,566.58x = 77,233,190,045,645,728 - Step 5: Solve for x
x = 77,233,190,045,645,728/261,131,566.58 - Step 6: Final answer
x = 295,763,515.14
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1.5x scale
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.