Finding the Fourth Proportional to 296,788,260.09, 445,186,178.76 and 78,436,715.71
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Solution
The fourth proportional to 296,788,260.09, 445,186,178.76 and 78,436,715.71 is: 117,656,074.84
Step by Step Solution
- Step 1: Write the proportion equation
296,788,260.09 : 445,186,178.76 = 78,436,715.71 : x - Step 2: Convert to fraction form
296,788,260.09/445,186,178.76 = 78,436,715.71/x - Step 3: Cross multiply
296,788,260.09x = 445,186,178.76 × 78,436,715.71 - Step 4: Simplify right side
296,788,260.09x = 34,918,941,741,419,356 - Step 5: Solve for x
x = 34,918,941,741,419,356/296,788,260.09 - Step 6: Final answer
x = 117,656,074.84
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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.