Finding the Fourth Proportional to 3,863,148,902.10, 5,794,723,353.15 and 3,243,276,119.70
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Solution
The fourth proportional to 3,863,148,902.10, 5,794,723,353.15 and 3,243,276,119.70 is: 4,864,914,179.55
Step by Step Solution
- Step 1: Write the proportion equation
3,863,148,902.10 : 5,794,723,353.15 = 3,243,276,119.70 : x - Step 2: Convert to fraction form
3,863,148,902.10/5,794,723,353.15 = 3,243,276,119.70/x - Step 3: Cross multiply
3,863,148,902.10x = 5,794,723,353.15 × 3,243,276,119.70 - Step 4: Simplify right side
3,863,148,902.10x = 18,793,887,871,539,302,400 - Step 5: Solve for x
x = 18,793,887,871,539,302,400/3,863,148,902.10 - Step 6: Final answer
x = 4,864,914,179.55
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Double scale
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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.