Finding the Fourth Proportional to 1,883,724,201.16, 2,825,844,880.52 and 639,820,722.44
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Solution
The fourth proportional to 1,883,724,201.16, 2,825,844,880.52 and 639,820,722.44 is: 959,818,911.84
Step by Step Solution
- Step 1: Write the proportion equation
1,883,724,201.16 : 2,825,844,880.52 = 639,820,722.44 : x - Step 2: Convert to fraction form
1,883,724,201.16/2,825,844,880.52 = 639,820,722.44/x - Step 3: Cross multiply
1,883,724,201.16x = 2,825,844,880.52 × 639,820,722.44 - Step 4: Simplify right side
1,883,724,201.16x = 1,808,034,112,957,681,920 - Step 5: Solve for x
x = 1,808,034,112,957,681,920/1,883,724,201.16 - Step 6: Final answer
x = 959,818,911.84
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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.