Finding the Fourth Proportional to 1,764,911,712.70, 2,647,367,569.05 and 601,693,651.90
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Solution
The fourth proportional to 1,764,911,712.70, 2,647,367,569.05 and 601,693,651.90 is: 902,540,477.85
Step by Step Solution
- Step 1: Write the proportion equation
1,764,911,712.70 : 2,647,367,569.05 = 601,693,651.90 : x - Step 2: Convert to fraction form
1,764,911,712.70/2,647,367,569.05 = 601,693,651.90/x - Step 3: Cross multiply
1,764,911,712.70x = 2,647,367,569.05 × 601,693,651.90 - Step 4: Simplify right side
1,764,911,712.70x = 1,592,904,260,543,320,064 - Step 5: Solve for x
x = 1,592,904,260,543,320,064/1,764,911,712.70 - Step 6: Final answer
x = 902,540,477.85
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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.