Finding the Fourth Proportional to 4,640,081,106.24, 6,403,857,179.31 and 2,605,866,269.22
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Solution
The fourth proportional to 4,640,081,106.24, 6,403,857,179.31 and 2,605,866,269.22 is: 3,596,401,665.05
Step by Step Solution
- Step 1: Write the proportion equation
4,640,081,106.24 : 6,403,857,179.31 = 2,605,866,269.22 : x - Step 2: Convert to fraction form
4,640,081,106.24/6,403,857,179.31 = 2,605,866,269.22/x - Step 3: Cross multiply
4,640,081,106.24x = 6,403,857,179.31 × 2,605,866,269.22 - Step 4: Simplify right side
4,640,081,106.24x = 16,687,595,416,466,262,016 - Step 5: Solve for x
x = 16,687,595,416,466,262,016/4,640,081,106.24 - Step 6: Final answer
x = 3,596,401,665.05
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1.5x scale
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.