Finding the Fourth Proportional to 1,920,534,358.08, 2,650,340,103.48 and 1,040,468,062.08
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Solution
The fourth proportional to 1,920,534,358.08, 2,650,340,103.48 and 1,040,468,062.08 is: 1,435,847,382.64
Step by Step Solution
- Step 1: Write the proportion equation
1,920,534,358.08 : 2,650,340,103.48 = 1,040,468,062.08 : x - Step 2: Convert to fraction form
1,920,534,358.08/2,650,340,103.48 = 1,040,468,062.08/x - Step 3: Cross multiply
1,920,534,358.08x = 2,650,340,103.48 × 1,040,468,062.08 - Step 4: Simplify right side
1,920,534,358.08x = 2,757,594,231,320,742,400 - Step 5: Solve for x
x = 2,757,594,231,320,742,400/1,920,534,358.08 - Step 6: Final answer
x = 1,435,847,382.64
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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.