Finding the Fourth Proportional to 6,215,278,464,060, 8,579,725,239,378.20 and 3,872,635,278,991.40
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Solution
The fourth proportional to 6,215,278,464,060, 8,579,725,239,378.20 and 3,872,635,278,991.40 is: 5,345,882,222,043.62
Step by Step Solution
- Step 1: Write the proportion equation
6,215,278,464,060 : 8,579,725,239,378.20 = 3,872,635,278,991.40 : x - Step 2: Convert to fraction form
6,215,278,464,060/8,579,725,239,378.20 = 3,872,635,278,991.40/x - Step 3: Cross multiply
6,215,278,464,060x = 8,579,725,239,378.20 × 3,872,635,278,991.40 - Step 4: Simplify right side
6,215,278,464,060x = 33,226,146,646,068,953,314,492,416 - Step 5: Solve for x
x = 33,226,146,646,068,953,314,492,416/6,215,278,464,060 - Step 6: Final answer
x = 5,345,882,222,043.62
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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.