Finding the Fourth Proportional to 324,657,883.10, 448,015,875.87 and 175,975,812.02
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Solution
The fourth proportional to 324,657,883.10, 448,015,875.87 and 175,975,812.02 is: 242,840,114.65
Step by Step Solution
- Step 1: Write the proportion equation
324,657,883.10 : 448,015,875.87 = 175,975,812.02 : x - Step 2: Convert to fraction form
324,657,883.10/448,015,875.87 = 175,975,812.02/x - Step 3: Cross multiply
324,657,883.10x = 448,015,875.87 × 175,975,812.02 - Step 4: Simplify right side
324,657,883.10x = 78,839,957,551,834,688 - Step 5: Solve for x
x = 78,839,957,551,834,688/324,657,883.10 - Step 6: Final answer
x = 242,840,114.65
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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.