Finding the Fourth Proportional to 7,086,954,100.18, 9,780,000,581.56 and 3,827,999,748.99
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Solution
The fourth proportional to 7,086,954,100.18, 9,780,000,581.56 and 3,827,999,748.99 is: 5,282,641,772.77
Step by Step Solution
- Step 1: Write the proportion equation
7,086,954,100.18 : 9,780,000,581.56 = 3,827,999,748.99 : x - Step 2: Convert to fraction form
7,086,954,100.18/9,780,000,581.56 = 3,827,999,748.99/x - Step 3: Cross multiply
7,086,954,100.18x = 9,780,000,581.56 × 3,827,999,748.99 - Step 4: Simplify right side
7,086,954,100.18x = 37,437,839,771,309,285,376 - Step 5: Solve for x
x = 37,437,839,771,309,285,376/7,086,954,100.18 - Step 6: Final answer
x = 5,282,641,772.77
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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.