Finding the Fourth Proportional to 7,862,982,305.75, 11,796,129,921.89 and 2,550,679,664.93
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Solution
The fourth proportional to 7,862,982,305.75, 11,796,129,921.89 and 2,550,679,664.93 is: 3,826,556,838.95
Step by Step Solution
- Step 1: Write the proportion equation
7,862,982,305.75 : 11,796,129,921.89 = 2,550,679,664.93 : x - Step 2: Convert to fraction form
7,862,982,305.75/11,796,129,921.89 = 2,550,679,664.93/x - Step 3: Cross multiply
7,862,982,305.75x = 11,796,129,921.89 × 2,550,679,664.93 - Step 4: Simplify right side
7,862,982,305.75x = 30,088,148,716,624,375,808 - Step 5: Solve for x
x = 30,088,148,716,624,375,808/7,862,982,305.75 - Step 6: Final answer
x = 3,826,556,838.95
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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.