Finding the Fourth Proportional to 1,537,467,552.38, 2,309,880,465.84 and 985,850,723
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Solution
The fourth proportional to 1,537,467,552.38, 2,309,880,465.84 and 985,850,723 is: 1,481,135,210.80
Step by Step Solution
- Step 1: Write the proportion equation
1,537,467,552.38 : 2,309,880,465.84 = 985,850,723 : x - Step 2: Convert to fraction form
1,537,467,552.38/2,309,880,465.84 = 985,850,723/x - Step 3: Cross multiply
1,537,467,552.38x = 2,309,880,465.84 × 985,850,723 - Step 4: Simplify right side
1,537,467,552.38x = 2,277,197,327,291,940,864 - Step 5: Solve for x
x = 2,277,197,327,291,940,864/1,537,467,552.38 - Step 6: Final answer
x = 1,481,135,210.80
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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.