Finding the Fourth Proportional to 2,172,071,750.70, 3,258,107,626.05 and 2,002,010,630.70
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Solution
The fourth proportional to 2,172,071,750.70, 3,258,107,626.05 and 2,002,010,630.70 is: 3,003,015,946.05
Step by Step Solution
- Step 1: Write the proportion equation
2,172,071,750.70 : 3,258,107,626.05 = 2,002,010,630.70 : x - Step 2: Convert to fraction form
2,172,071,750.70/3,258,107,626.05 = 2,002,010,630.70/x - Step 3: Cross multiply
2,172,071,750.70x = 3,258,107,626.05 × 2,002,010,630.70 - Step 4: Simplify right side
2,172,071,750.70x = 6,522,766,103,316,840,448 - Step 5: Solve for x
x = 6,522,766,103,316,840,448/2,172,071,750.70 - Step 6: Final answer
x = 3,003,015,946.05
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Double scale
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Similar ratio
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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.