Finding the Fourth Proportional to 2,940,154,998.60, 4,410,232,497.90 and 2,668,057,206.60
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Solution
The fourth proportional to 2,940,154,998.60, 4,410,232,497.90 and 2,668,057,206.60 is: 4,002,085,809.90
Step by Step Solution
- Step 1: Write the proportion equation
2,940,154,998.60 : 4,410,232,497.90 = 2,668,057,206.60 : x - Step 2: Convert to fraction form
2,940,154,998.60/4,410,232,497.90 = 2,668,057,206.60/x - Step 3: Cross multiply
2,940,154,998.60x = 4,410,232,497.90 × 2,668,057,206.60 - Step 4: Simplify right side
2,940,154,998.60x = 11,766,752,598,803,613,696 - Step 5: Solve for x
x = 11,766,752,598,803,613,696/2,940,154,998.60 - Step 6: Final answer
x = 4,002,085,809.90
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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.