Finding the Fourth Proportional to 325,289,073.68, 448,898,924.04 and 178,611,357.68
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Solution
The fourth proportional to 325,289,073.68, 448,898,924.04 and 178,611,357.68 is: 246,483,674.90
Step by Step Solution
- Step 1: Write the proportion equation
325,289,073.68 : 448,898,924.04 = 178,611,357.68 : x - Step 2: Convert to fraction form
325,289,073.68/448,898,924.04 = 178,611,357.68/x - Step 3: Cross multiply
325,289,073.68x = 448,898,924.04 × 178,611,357.68 - Step 4: Simplify right side
325,289,073.68x = 80,178,446,283,875,600 - Step 5: Solve for x
x = 80,178,446,283,875,600/325,289,073.68 - Step 6: Final answer
x = 246,483,674.90
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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.