Finding the Fourth Proportional to 386,677,271,076.32, 533,543,797,201.16 and 215,394,940,074.08
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Solution
The fourth proportional to 386,677,271,076.32, 533,543,797,201.16 and 215,394,940,074.08 is: 297,205,558,281.59
Step by Step Solution
- Step 1: Write the proportion equation
386,677,271,076.32 : 533,543,797,201.16 = 215,394,940,074.08 : x - Step 2: Convert to fraction form
386,677,271,076.32/533,543,797,201.16 = 215,394,940,074.08/x - Step 3: Cross multiply
386,677,271,076.32x = 533,543,797,201.16 × 215,394,940,074.08 - Step 4: Simplify right side
386,677,271,076.32x = 114,922,634,225,040,935,092,224 - Step 5: Solve for x
x = 114,922,634,225,040,935,092,224/386,677,271,076.32 - Step 6: Final answer
x = 297,205,558,281.59
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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.