Finding the Fourth Proportional to 395,672,846.74, 546,093,913.17 and 219,517,595.62
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Solution
The fourth proportional to 395,672,846.74, 546,093,913.17 and 219,517,595.62 is: 302,970,557.09
Step by Step Solution
- Step 1: Write the proportion equation
395,672,846.74 : 546,093,913.17 = 219,517,595.62 : x - Step 2: Convert to fraction form
395,672,846.74/546,093,913.17 = 219,517,595.62/x - Step 3: Cross multiply
395,672,846.74x = 546,093,913.17 × 219,517,595.62 - Step 4: Simplify right side
395,672,846.74x = 119,877,222,801,795,440 - Step 5: Solve for x
x = 119,877,222,801,795,440/395,672,846.74 - Step 6: Final answer
x = 302,970,557.09
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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.