Finding the Fourth Proportional to 1,347,907,363.20, 2,021,861,044.80 and 658,257,033.60
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Solution
The fourth proportional to 1,347,907,363.20, 2,021,861,044.80 and 658,257,033.60 is: 987,385,550.40
Step by Step Solution
- Step 1: Write the proportion equation
1,347,907,363.20 : 2,021,861,044.80 = 658,257,033.60 : x - Step 2: Convert to fraction form
1,347,907,363.20/2,021,861,044.80 = 658,257,033.60/x - Step 3: Cross multiply
1,347,907,363.20x = 2,021,861,044.80 × 658,257,033.60 - Step 4: Simplify right side
1,347,907,363.20x = 1,330,904,253,701,444,608 - Step 5: Solve for x
x = 1,330,904,253,701,444,608/1,347,907,363.20 - Step 6: Final answer
x = 987,385,550.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.