Finding the Fourth Proportional to 2,719,821,737.80, 4,079,732,606.70 and 880,894,160.20
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Solution
The fourth proportional to 2,719,821,737.80, 4,079,732,606.70 and 880,894,160.20 is: 1,321,341,240.30
Step by Step Solution
- Step 1: Write the proportion equation
2,719,821,737.80 : 4,079,732,606.70 = 880,894,160.20 : x - Step 2: Convert to fraction form
2,719,821,737.80/4,079,732,606.70 = 880,894,160.20/x - Step 3: Cross multiply
2,719,821,737.80x = 4,079,732,606.70 × 880,894,160.20 - Step 4: Simplify right side
2,719,821,737.80x = 3,593,812,628,419,553,280 - Step 5: Solve for x
x = 3,593,812,628,419,553,280/2,719,821,737.80 - Step 6: Final answer
x = 1,321,341,240.30
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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.