Finding the Fourth Proportional to 5,207,799,838.50, 7,186,766,576.49 and 2,861,107,547.94
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Solution
The fourth proportional to 5,207,799,838.50, 7,186,766,576.49 and 2,861,107,547.94 is: 3,948,329,954.09
Step by Step Solution
- Step 1: Write the proportion equation
5,207,799,838.50 : 7,186,766,576.49 = 2,861,107,547.94 : x - Step 2: Convert to fraction form
5,207,799,838.50/7,186,766,576.49 = 2,861,107,547.94/x - Step 3: Cross multiply
5,207,799,838.50x = 7,186,766,576.49 × 2,861,107,547.94 - Step 4: Simplify right side
5,207,799,838.50x = 20,562,112,097,278,451,712 - Step 5: Solve for x
x = 20,562,112,097,278,451,712/5,207,799,838.50 - Step 6: Final answer
x = 3,948,329,954.09
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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.