Finding the Fourth Proportional to 6,215,278,464,056, 8,579,725,239,372.60 and 3,872,635,278,987.40
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Solution
The fourth proportional to 6,215,278,464,056, 8,579,725,239,372.60 and 3,872,635,278,987.40 is: 5,345,882,222,038.05
Step by Step Solution
- Step 1: Write the proportion equation
6,215,278,464,056 : 8,579,725,239,372.60 = 3,872,635,278,987.40 : x - Step 2: Convert to fraction form
6,215,278,464,056/8,579,725,239,372.60 = 3,872,635,278,987.40/x - Step 3: Cross multiply
6,215,278,464,056x = 8,579,725,239,372.60 × 3,872,635,278,987.40 - Step 4: Simplify right side
6,215,278,464,056x = 33,226,146,646,012,942,645,985,280 - Step 5: Solve for x
x = 33,226,146,646,012,942,645,985,280/6,215,278,464,056 - Step 6: Final answer
x = 5,345,882,222,038.05
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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.