Finding the Fourth Proportional to 374,443,279.80, 561,440,970.90 and 193,044,751.80
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Solution
The fourth proportional to 374,443,279.80, 561,440,970.90 and 193,044,751.80 is: 289,451,670.59
Step by Step Solution
- Step 1: Write the proportion equation
374,443,279.80 : 561,440,970.90 = 193,044,751.80 : x - Step 2: Convert to fraction form
374,443,279.80/561,440,970.90 = 193,044,751.80/x - Step 3: Cross multiply
374,443,279.80x = 561,440,970.90 × 193,044,751.80 - Step 4: Simplify right side
374,443,279.80x = 108,383,232,877,741,520 - Step 5: Solve for x
x = 108,383,232,877,741,520/374,443,279.80 - Step 6: Final answer
x = 289,451,670.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.