Finding the Fourth Proportional to 274,481,213.53, 378,790,656.29 and 149,038,696.63
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Solution
The fourth proportional to 274,481,213.53, 378,790,656.29 and 149,038,696.63 is: 205,676,975.06
Step by Step Solution
- Step 1: Write the proportion equation
274,481,213.53 : 378,790,656.29 = 149,038,696.63 : x - Step 2: Convert to fraction form
274,481,213.53/378,790,656.29 = 149,038,696.63/x - Step 3: Cross multiply
274,481,213.53x = 378,790,656.29 × 149,038,696.63 - Step 4: Simplify right side
274,481,213.53x = 56,454,465,708,338,720 - Step 5: Solve for x
x = 56,454,465,708,338,720/274,481,213.53 - Step 6: Final answer
x = 205,676,975.06
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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.