Finding the Fourth Proportional to 325,169,522.20, 448,732,804.07 and 176,490,635.13
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Solution
The fourth proportional to 325,169,522.20, 448,732,804.07 and 176,490,635.13 is: 243,556,459.59
Step by Step Solution
- Step 1: Write the proportion equation
325,169,522.20 : 448,732,804.07 = 176,490,635.13 : x - Step 2: Convert to fraction form
325,169,522.20/448,732,804.07 = 176,490,635.13/x - Step 3: Cross multiply
325,169,522.20x = 448,732,804.07 × 176,490,635.13 - Step 4: Simplify right side
325,169,522.20x = 79,197,137,593,097,696 - Step 5: Solve for x
x = 79,197,137,593,097,696/325,169,522.20 - Step 6: Final answer
x = 243,556,459.59
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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.