Finding the Fourth Proportional to 7,080,606,295.42, 9,771,267,896.84 and 3,908,816,275.34
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Solution
The fourth proportional to 7,080,606,295.42, 9,771,267,896.84 and 3,908,816,275.34 is: 5,394,183,688.84
Step by Step Solution
- Step 1: Write the proportion equation
7,080,606,295.42 : 9,771,267,896.84 = 3,908,816,275.34 : x - Step 2: Convert to fraction form
7,080,606,295.42/9,771,267,896.84 = 3,908,816,275.34/x - Step 3: Cross multiply
7,080,606,295.42x = 9,771,267,896.84 × 3,908,816,275.34 - Step 4: Simplify right side
7,080,606,295.42x = 38,194,090,985,826,590,720 - Step 5: Solve for x
x = 38,194,090,985,826,590,720/7,080,606,295.42 - Step 6: Final answer
x = 5,394,183,688.84
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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.