Finding the Fourth Proportional to 2,796,942,260.97, 3,859,779,734.87 and 1,543,878,786.33
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Solution
The fourth proportional to 2,796,942,260.97, 3,859,779,734.87 and 1,543,878,786.33 is: 2,130,552,402.07
Step by Step Solution
- Step 1: Write the proportion equation
2,796,942,260.97 : 3,859,779,734.87 = 1,543,878,786.33 : x - Step 2: Convert to fraction form
2,796,942,260.97/3,859,779,734.87 = 1,543,878,786.33/x - Step 3: Cross multiply
2,796,942,260.97x = 3,859,779,734.87 × 1,543,878,786.33 - Step 4: Simplify right side
2,796,942,260.97x = 5,959,032,052,564,504,576 - Step 5: Solve for x
x = 5,959,032,052,564,504,576/2,796,942,260.97 - Step 6: Final answer
x = 2,130,552,402.07
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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.