Finding the Fourth Proportional to 324,990,622.49, 448,487,928.33 and 176,311,743.59
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Solution
The fourth proportional to 324,990,622.49, 448,487,928.33 and 176,311,743.59 is: 243,310,677.75
Step by Step Solution
- Step 1: Write the proportion equation
324,990,622.49 : 448,487,928.33 = 176,311,743.59 : x - Step 2: Convert to fraction form
324,990,622.49/448,487,928.33 = 176,311,743.59/x - Step 3: Cross multiply
324,990,622.49x = 448,487,928.33 × 176,311,743.59 - Step 4: Simplify right side
324,990,622.49x = 79,073,688,620,686,816 - Step 5: Solve for x
x = 79,073,688,620,686,816/324,990,622.49 - Step 6: Final answer
x = 243,310,677.75
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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.