Finding the Fourth Proportional to 436,845,343.19, 655,270,464.39 and 145,711,666.73
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Solution
The fourth proportional to 436,845,343.19, 655,270,464.39 and 145,711,666.73 is: 218,568,317.17
Step by Step Solution
- Step 1: Write the proportion equation
436,845,343.19 : 655,270,464.39 = 145,711,666.73 : x - Step 2: Convert to fraction form
436,845,343.19/655,270,464.39 = 145,711,666.73/x - Step 3: Cross multiply
436,845,343.19x = 655,270,464.39 × 145,711,666.73 - Step 4: Simplify right side
436,845,343.19x = 95,480,551,525,208,000 - Step 5: Solve for x
x = 95,480,551,525,208,000/436,845,343.19 - Step 6: Final answer
x = 218,568,317.17
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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.