Finding the Fourth Proportional to 7,786,842,424.62, 11,680,263,772.29 and 1,891,361,935.23
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Solution
The fourth proportional to 7,786,842,424.62, 11,680,263,772.29 and 1,891,361,935.23 is: 2,837,042,935.72
Step by Step Solution
- Step 1: Write the proportion equation
7,786,842,424.62 : 11,680,263,772.29 = 1,891,361,935.23 : x - Step 2: Convert to fraction form
7,786,842,424.62/11,680,263,772.29 = 1,891,361,935.23/x - Step 3: Cross multiply
7,786,842,424.62x = 11,680,263,772.29 × 1,891,361,935.23 - Step 4: Simplify right side
7,786,842,424.62x = 22,091,606,292,355,276,800 - Step 5: Solve for x
x = 22,091,606,292,355,276,800/7,786,842,424.62 - Step 6: Final answer
x = 2,837,042,935.72
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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.