Finding the Fourth Proportional to 2,212,574,391.76, 3,321,224,299.32 and 952,662,634.96
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Solution
The fourth proportional to 2,212,574,391.76, 3,321,224,299.32 and 952,662,634.96 is: 1,430,011,259.31
Step by Step Solution
- Step 1: Write the proportion equation
2,212,574,391.76 : 3,321,224,299.32 = 952,662,634.96 : x - Step 2: Convert to fraction form
2,212,574,391.76/3,321,224,299.32 = 952,662,634.96/x - Step 3: Cross multiply
2,212,574,391.76x = 3,321,224,299.32 × 952,662,634.96 - Step 4: Simplify right side
2,212,574,391.76x = 3,164,006,292,283,371,008 - Step 5: Solve for x
x = 3,164,006,292,283,371,008/2,212,574,391.76 - Step 6: Final answer
x = 1,430,011,259.31
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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.