Finding the Fourth Proportional to 2,504,574,138.60, 3,756,861,207.90 and 868,964,077.80
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Solution
The fourth proportional to 2,504,574,138.60, 3,756,861,207.90 and 868,964,077.80 is: 1,303,446,116.70
Step by Step Solution
- Step 1: Write the proportion equation
2,504,574,138.60 : 3,756,861,207.90 = 868,964,077.80 : x - Step 2: Convert to fraction form
2,504,574,138.60/3,756,861,207.90 = 868,964,077.80/x - Step 3: Cross multiply
2,504,574,138.60x = 3,756,861,207.90 × 868,964,077.80 - Step 4: Simplify right side
2,504,574,138.60x = 3,264,577,434,945,417,728 - Step 5: Solve for x
x = 3,264,577,434,945,417,728/2,504,574,138.60 - Step 6: Final answer
x = 1,303,446,116.70
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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.