Finding the Fourth Proportional to 1,920,534,337.08, 2,650,340,074.50 and 1,040,468,041.08
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Solution
The fourth proportional to 1,920,534,337.08, 2,650,340,074.50 and 1,040,468,041.08 is: 1,435,847,353.66
Step by Step Solution
- Step 1: Write the proportion equation
1,920,534,337.08 : 2,650,340,074.50 = 1,040,468,041.08 : x - Step 2: Convert to fraction form
1,920,534,337.08/2,650,340,074.50 = 1,040,468,041.08/x - Step 3: Cross multiply
1,920,534,337.08x = 2,650,340,074.50 × 1,040,468,041.08 - Step 4: Simplify right side
1,920,534,337.08x = 2,757,594,145,510,836,224 - Step 5: Solve for x
x = 2,757,594,145,510,836,224/1,920,534,337.08 - Step 6: Final answer
x = 1,435,847,353.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.