Finding the Fourth Proportional to 2,312,121,822.02, 3,467,405,425.23 and 837,953,055.21
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Solution
The fourth proportional to 2,312,121,822.02, 3,467,405,425.23 and 837,953,055.21 is: 1,256,647,872.99
Step by Step Solution
- Step 1: Write the proportion equation
2,312,121,822.02 : 3,467,405,425.23 = 837,953,055.21 : x - Step 2: Convert to fraction form
2,312,121,822.02/3,467,405,425.23 = 837,953,055.21/x - Step 3: Cross multiply
2,312,121,822.02x = 3,467,405,425.23 × 837,953,055.21 - Step 4: Simplify right side
2,312,121,822.02x = 2,905,522,969,723,207,680 - Step 5: Solve for x
x = 2,905,522,969,723,207,680/2,312,121,822.02 - Step 6: Final answer
x = 1,256,647,872.99
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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.