Finding the Fourth Proportional to 324,657,868.23, 448,015,855.30 and 175,975,797.07
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Solution
The fourth proportional to 324,657,868.23, 448,015,855.30 and 175,975,797.07 is: 242,840,093.99
Step by Step Solution
- Step 1: Write the proportion equation
324,657,868.23 : 448,015,855.30 = 175,975,797.07 : x - Step 2: Convert to fraction form
324,657,868.23/448,015,855.30 = 175,975,797.07/x - Step 3: Cross multiply
324,657,868.23x = 448,015,855.30 × 175,975,797.07 - Step 4: Simplify right side
324,657,868.23x = 78,839,947,237,031,616 - Step 5: Solve for x
x = 78,839,947,237,031,616/324,657,868.23 - Step 6: Final answer
x = 242,840,093.99
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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.