Finding the Fourth Proportional to 328,765,780.86, 453,691,217.07 and 182,084,915.58
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Solution
The fourth proportional to 328,765,780.86, 453,691,217.07 and 182,084,915.58 is: 251,274,103.84
Step by Step Solution
- Step 1: Write the proportion equation
328,765,780.86 : 453,691,217.07 = 182,084,915.58 : x - Step 2: Convert to fraction form
328,765,780.86/453,691,217.07 = 182,084,915.58/x - Step 3: Cross multiply
328,765,780.86x = 453,691,217.07 × 182,084,915.58 - Step 4: Simplify right side
328,765,780.86x = 82,610,326,959,578,416 - Step 5: Solve for x
x = 82,610,326,959,578,416/328,765,780.86 - Step 6: Final answer
x = 251,274,103.84
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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.