Finding the Fourth Proportional to 2,796,775,274.70, 4,195,162,912.05 and 1,762,803,665.10
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Solution
The fourth proportional to 2,796,775,274.70, 4,195,162,912.05 and 1,762,803,665.10 is: 2,644,205,497.65
Step by Step Solution
- Step 1: Write the proportion equation
2,796,775,274.70 : 4,195,162,912.05 = 1,762,803,665.10 : x - Step 2: Convert to fraction form
2,796,775,274.70/4,195,162,912.05 = 1,762,803,665.10/x - Step 3: Cross multiply
2,796,775,274.70x = 4,195,162,912.05 × 1,762,803,665.10 - Step 4: Simplify right side
2,796,775,274.70x = 7,395,248,557,053,328,384 - Step 5: Solve for x
x = 7,395,248,557,053,328,384/2,796,775,274.70 - Step 6: Final answer
x = 2,644,205,497.65
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1.5x scale
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.