Finding the Fourth Proportional to 589,252,232.68, 813,150,286.50 and 324,934,095.40
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Solution
The fourth proportional to 589,252,232.68, 813,150,286.50 and 324,934,095.40 is: 448,399,239.09
Step by Step Solution
- Step 1: Write the proportion equation
589,252,232.68 : 813,150,286.50 = 324,934,095.40 : x - Step 2: Convert to fraction form
589,252,232.68/813,150,286.50 = 324,934,095.40/x - Step 3: Cross multiply
589,252,232.68x = 813,150,286.50 × 324,934,095.40 - Step 4: Simplify right side
589,252,232.68x = 264,220,252,768,128,320 - Step 5: Solve for x
x = 264,220,252,768,128,320/589,252,232.68 - Step 6: Final answer
x = 448,399,239.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.