Finding the Fourth Proportional to 7,474,233,172.95, 10,309,581,741.41 and 4,793,767,664.68
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Solution
The fourth proportional to 7,474,233,172.95, 10,309,581,741.41 and 4,793,767,664.68 is: 6,612,282,282.98
Step by Step Solution
- Step 1: Write the proportion equation
7,474,233,172.95 : 10,309,581,741.41 = 4,793,767,664.68 : x - Step 2: Convert to fraction form
7,474,233,172.95/10,309,581,741.41 = 4,793,767,664.68/x - Step 3: Cross multiply
7,474,233,172.95x = 10,309,581,741.41 × 4,793,767,664.68 - Step 4: Simplify right side
7,474,233,172.95x = 49,421,739,588,330,397,696 - Step 5: Solve for x
x = 49,421,739,588,330,397,696/7,474,233,172.95 - Step 6: Final answer
x = 6,612,282,282.98
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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.