Finding the Fourth Proportional to 1,006,175,623.17, 1,388,568,186.80 and 560,167,313.80
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Solution
The fourth proportional to 1,006,175,623.17, 1,388,568,186.80 and 560,167,313.80 is: 773,056,406.17
Step by Step Solution
- Step 1: Write the proportion equation
1,006,175,623.17 : 1,388,568,186.80 = 560,167,313.80 : x - Step 2: Convert to fraction form
1,006,175,623.17/1,388,568,186.80 = 560,167,313.80/x - Step 3: Cross multiply
1,006,175,623.17x = 1,388,568,186.80 × 560,167,313.80 - Step 4: Simplify right side
1,006,175,623.17x = 777,830,511,224,707,328 - Step 5: Solve for x
x = 777,830,511,224,707,328/1,006,175,623.17 - Step 6: Final answer
x = 773,056,406.17
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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.