Finding the Fourth Proportional to 631,531,842.26, 871,469,699.97 and 367,195,081.94
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Solution
The fourth proportional to 631,531,842.26, 871,469,699.97 and 367,195,081.94 is: 506,703,489.00
Step by Step Solution
- Step 1: Write the proportion equation
631,531,842.26 : 871,469,699.97 = 367,195,081.94 : x - Step 2: Convert to fraction form
631,531,842.26/871,469,699.97 = 367,195,081.94/x - Step 3: Cross multiply
631,531,842.26x = 871,469,699.97 × 367,195,081.94 - Step 4: Simplify right side
631,531,842.26x = 319,999,387,888,711,360 - Step 5: Solve for x
x = 319,999,387,888,711,360/631,531,842.26 - Step 6: Final answer
x = 506,703,489.00
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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.