Finding the Fourth Proportional to 2,239,490,941.80, 3,359,236,412.70 and 2,157,861,604.20
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Solution
The fourth proportional to 2,239,490,941.80, 3,359,236,412.70 and 2,157,861,604.20 is: 3,236,792,406.30
Step by Step Solution
- Step 1: Write the proportion equation
2,239,490,941.80 : 3,359,236,412.70 = 2,157,861,604.20 : x - Step 2: Convert to fraction form
2,239,490,941.80/3,359,236,412.70 = 2,157,861,604.20/x - Step 3: Cross multiply
2,239,490,941.80x = 3,359,236,412.70 × 2,157,861,604.20 - Step 4: Simplify right side
2,239,490,941.80x = 7,248,767,274,395,874,304 - Step 5: Solve for x
x = 7,248,767,274,395,874,304/2,239,490,941.80 - Step 6: Final answer
x = 3,236,792,406.30
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1.5x scale
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.