Finding the Fourth Proportional to 932,212,882,208.66, 1,286,440,086,541.40 and 520,687,366,571.54
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Solution
The fourth proportional to 932,212,882,208.66, 1,286,440,086,541.40 and 520,687,366,571.54 is: 718,540,918,814.91
Step by Step Solution
- Step 1: Write the proportion equation
932,212,882,208.66 : 1,286,440,086,541.40 = 520,687,366,571.54 : x - Step 2: Convert to fraction form
932,212,882,208.66/1,286,440,086,541.40 = 520,687,366,571.54/x - Step 3: Cross multiply
932,212,882,208.66x = 1,286,440,086,541.40 × 520,687,366,571.54 - Step 4: Simplify right side
932,212,882,208.66x = 669,833,100,913,305,567,887,360 - Step 5: Solve for x
x = 669,833,100,913,305,567,887,360/932,212,882,208.66 - Step 6: Final answer
x = 718,540,918,814.91
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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.