Finding the Fourth Proportional to 3,929,317,873.68, 5,891,071,143.64 and 2,376,263,924.54
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Solution
The fourth proportional to 3,929,317,873.68, 5,891,071,143.64 and 2,376,263,924.54 is: 3,562,638,678.15
Step by Step Solution
- Step 1: Write the proportion equation
3,929,317,873.68 : 5,891,071,143.64 = 2,376,263,924.54 : x - Step 2: Convert to fraction form
3,929,317,873.68/5,891,071,143.64 = 2,376,263,924.54/x - Step 3: Cross multiply
3,929,317,873.68x = 5,891,071,143.64 × 2,376,263,924.54 - Step 4: Simplify right side
3,929,317,873.68x = 13,998,739,835,530,332,160 - Step 5: Solve for x
x = 13,998,739,835,530,332,160/3,929,317,873.68 - Step 6: Final answer
x = 3,562,638,678.15
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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.