Finding the Fourth Proportional to 2,758,177,772.76, 3,806,253,970.92 and 1,505,135,947.80
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Solution
The fourth proportional to 2,758,177,772.76, 3,806,253,970.92 and 1,505,135,947.80 is: 2,077,070,497.29
Step by Step Solution
- Step 1: Write the proportion equation
2,758,177,772.76 : 3,806,253,970.92 = 1,505,135,947.80 : x - Step 2: Convert to fraction form
2,758,177,772.76/3,806,253,970.92 = 1,505,135,947.80/x - Step 3: Cross multiply
2,758,177,772.76x = 3,806,253,970.92 × 1,505,135,947.80 - Step 4: Simplify right side
2,758,177,772.76x = 5,728,929,678,088,187,904 - Step 5: Solve for x
x = 5,728,929,678,088,187,904/2,758,177,772.76 - Step 6: Final answer
x = 2,077,070,497.29
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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.