Finding the Fourth Proportional to 1,917,763,042.70, 2,876,644,564.05 and 884,641,738.70
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Solution
The fourth proportional to 1,917,763,042.70, 2,876,644,564.05 and 884,641,738.70 is: 1,326,962,608.05
Step by Step Solution
- Step 1: Write the proportion equation
1,917,763,042.70 : 2,876,644,564.05 = 884,641,738.70 : x - Step 2: Convert to fraction form
1,917,763,042.70/2,876,644,564.05 = 884,641,738.70/x - Step 3: Cross multiply
1,917,763,042.70x = 2,876,644,564.05 × 884,641,738.70 - Step 4: Simplify right side
1,917,763,042.70x = 2,544,799,848,763,096,064 - Step 5: Solve for x
x = 2,544,799,848,763,096,064/1,917,763,042.70 - Step 6: Final answer
x = 1,326,962,608.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.