Finding the Fourth Proportional to 2,381,711,425.60, 3,572,567,138.40 and 1,723,574,891.20
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Solution
The fourth proportional to 2,381,711,425.60, 3,572,567,138.40 and 1,723,574,891.20 is: 2,585,362,336.80
Step by Step Solution
- Step 1: Write the proportion equation
2,381,711,425.60 : 3,572,567,138.40 = 1,723,574,891.20 : x - Step 2: Convert to fraction form
2,381,711,425.60/3,572,567,138.40 = 1,723,574,891.20/x - Step 3: Cross multiply
2,381,711,425.60x = 3,572,567,138.40 × 1,723,574,891.20 - Step 4: Simplify right side
2,381,711,425.60x = 6,157,587,016,872,475,648 - Step 5: Solve for x
x = 6,157,587,016,872,475,648/2,381,711,425.60 - Step 6: Final answer
x = 2,585,362,336.80
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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.