Finding the Fourth Proportional to 1,062,883,138.70, 1,594,324,708.05 and 546,322,486.70
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Solution
The fourth proportional to 1,062,883,138.70, 1,594,324,708.05 and 546,322,486.70 is: 819,483,730.05
Step by Step Solution
- Step 1: Write the proportion equation
1,062,883,138.70 : 1,594,324,708.05 = 546,322,486.70 : x - Step 2: Convert to fraction form
1,062,883,138.70/1,594,324,708.05 = 546,322,486.70/x - Step 3: Cross multiply
1,062,883,138.70x = 1,594,324,708.05 × 546,322,486.70 - Step 4: Simplify right side
1,062,883,138.70x = 871,015,439,109,127,552 - Step 5: Solve for x
x = 871,015,439,109,127,552/1,062,883,138.70 - Step 6: Final answer
x = 819,483,730.05
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Double scale
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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.