Finding the Fourth Proportional to 477,625,734.84, 716,436,197.46 and 186,522,418.20
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Solution
The fourth proportional to 477,625,734.84, 716,436,197.46 and 186,522,418.20 is: 279,782,688.18
Step by Step Solution
- Step 1: Write the proportion equation
477,625,734.84 : 716,436,197.46 = 186,522,418.20 : x - Step 2: Convert to fraction form
477,625,734.84/716,436,197.46 = 186,522,418.20/x - Step 3: Cross multiply
477,625,734.84x = 716,436,197.46 × 186,522,418.20 - Step 4: Simplify right side
477,625,734.84x = 133,631,412,036,251,904 - Step 5: Solve for x
x = 133,631,412,036,251,904/477,625,734.84 - Step 6: Final answer
x = 279,782,688.18
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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.