Finding the Fourth Proportional to 395,672,845.74, 546,093,911.79 and 219,517,594.62
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Solution
The fourth proportional to 395,672,845.74, 546,093,911.79 and 219,517,594.62 is: 302,970,555.71
Step by Step Solution
- Step 1: Write the proportion equation
395,672,845.74 : 546,093,911.79 = 219,517,594.62 : x - Step 2: Convert to fraction form
395,672,845.74/546,093,911.79 = 219,517,594.62/x - Step 3: Cross multiply
395,672,845.74x = 546,093,911.79 × 219,517,594.62 - Step 4: Simplify right side
395,672,845.74x = 119,877,221,952,767,248 - Step 5: Solve for x
x = 119,877,221,952,767,248/395,672,845.74 - Step 6: Final answer
x = 302,970,555.71
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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.