Finding the Fourth Proportional to 897,228,302.40, 1,347,228,136.80 and 489,081,614.40
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Solution
The fourth proportional to 897,228,302.40, 1,347,228,136.80 and 489,081,614.40 is: 734,377,761.32
Step by Step Solution
- Step 1: Write the proportion equation
897,228,302.40 : 1,347,228,136.80 = 489,081,614.40 : x - Step 2: Convert to fraction form
897,228,302.40/1,347,228,136.80 = 489,081,614.40/x - Step 3: Cross multiply
897,228,302.40x = 1,347,228,136.80 × 489,081,614.40 - Step 4: Simplify right side
897,228,302.40x = 658,904,512,111,248,000 - Step 5: Solve for x
x = 658,904,512,111,248,000/897,228,302.40 - Step 6: Final answer
x = 734,377,761.32
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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.