Finding the Fourth Proportional to 2,981,135,719.77, 4,113,954,861.63 and 1,643,022,615.96
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Solution
The fourth proportional to 2,981,135,719.77, 4,113,954,861.63 and 1,643,022,615.96 is: 2,267,364,358.45
Step by Step Solution
- Step 1: Write the proportion equation
2,981,135,719.77 : 4,113,954,861.63 = 1,643,022,615.96 : x - Step 2: Convert to fraction form
2,981,135,719.77/4,113,954,861.63 = 1,643,022,615.96/x - Step 3: Cross multiply
2,981,135,719.77x = 4,113,954,861.63 × 1,643,022,615.96 - Step 4: Simplify right side
2,981,135,719.77x = 6,759,320,878,696,682,496 - Step 5: Solve for x
x = 6,759,320,878,696,682,496/2,981,135,719.77 - Step 6: Final answer
x = 2,267,364,358.45
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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.