Finding the Fourth Proportional to 2,909,793,622.20, 4,364,690,433.30 and 1,436,639,170.20
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Solution
The fourth proportional to 2,909,793,622.20, 4,364,690,433.30 and 1,436,639,170.20 is: 2,154,958,755.30
Step by Step Solution
- Step 1: Write the proportion equation
2,909,793,622.20 : 4,364,690,433.30 = 1,436,639,170.20 : x - Step 2: Convert to fraction form
2,909,793,622.20/4,364,690,433.30 = 1,436,639,170.20/x - Step 3: Cross multiply
2,909,793,622.20x = 4,364,690,433.30 × 1,436,639,170.20 - Step 4: Simplify right side
2,909,793,622.20x = 6,270,485,242,275,990,528 - Step 5: Solve for x
x = 6,270,485,242,275,990,528/2,909,793,622.20 - Step 6: Final answer
x = 2,154,958,755.30
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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.