Finding the Fourth Proportional to 2,056,059,621.87, 3,084,382,271.97 and 638,079,263.73
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Solution
The fourth proportional to 2,056,059,621.87, 3,084,382,271.97 and 638,079,263.73 is: 957,209,775.55
Step by Step Solution
- Step 1: Write the proportion equation
2,056,059,621.87 : 3,084,382,271.97 = 638,079,263.73 : x - Step 2: Convert to fraction form
2,056,059,621.87/3,084,382,271.97 = 638,079,263.73/x - Step 3: Cross multiply
2,056,059,621.87x = 3,084,382,271.97 × 638,079,263.73 - Step 4: Simplify right side
2,056,059,621.87x = 1,968,080,369,160,482,048 - Step 5: Solve for x
x = 1,968,080,369,160,482,048/2,056,059,621.87 - Step 6: Final answer
x = 957,209,775.55
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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.