Finding the Fourth Proportional to 419,904,376.65, 629,856,564.98 and 366,156,664.65
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Solution
The fourth proportional to 419,904,376.65, 629,856,564.98 and 366,156,664.65 is: 549,234,996.98
Step by Step Solution
- Step 1: Write the proportion equation
419,904,376.65 : 629,856,564.98 = 366,156,664.65 : x - Step 2: Convert to fraction form
419,904,376.65/629,856,564.98 = 366,156,664.65/x - Step 3: Cross multiply
419,904,376.65x = 629,856,564.98 × 366,156,664.65 - Step 4: Simplify right side
419,904,376.65x = 230,626,179,039,152,000 - Step 5: Solve for x
x = 230,626,179,039,152,000/419,904,376.65 - Step 6: Final answer
x = 549,234,996.98
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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.