Finding the Fourth Proportional to 1,546,287,755,812.10, 2,133,943,239,996.90 and 861,175,371,911.50
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Solution
The fourth proportional to 1,546,287,755,812.10, 2,133,943,239,996.90 and 861,175,371,911.50 is: 1,188,458,846,961.00
Step by Step Solution
- Step 1: Write the proportion equation
1,546,287,755,812.10 : 2,133,943,239,996.90 = 861,175,371,911.50 : x - Step 2: Convert to fraction form
1,546,287,755,812.10/2,133,943,239,996.90 = 861,175,371,911.50/x - Step 3: Cross multiply
1,546,287,755,812.10x = 2,133,943,239,996.90 × 861,175,371,911.50 - Step 4: Simplify right side
1,546,287,755,812.10x = 1,837,699,363,342,361,680,674,816 - Step 5: Solve for x
x = 1,837,699,363,342,361,680,674,816/1,546,287,755,812.10 - Step 6: Final answer
x = 1,188,458,846,961.00
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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.