Finding the Fourth Proportional to 3,915,804,894.20, 5,873,707,341.30 and 3,028,085,847.80
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Solution
The fourth proportional to 3,915,804,894.20, 5,873,707,341.30 and 3,028,085,847.80 is: 4,542,128,771.70
Step by Step Solution
- Step 1: Write the proportion equation
3,915,804,894.20 : 5,873,707,341.30 = 3,028,085,847.80 : x - Step 2: Convert to fraction form
3,915,804,894.20/5,873,707,341.30 = 3,028,085,847.80/x - Step 3: Cross multiply
3,915,804,894.20x = 5,873,707,341.30 × 3,028,085,847.80 - Step 4: Simplify right side
3,915,804,894.20x = 17,786,090,074,309,496,832 - Step 5: Solve for x
x = 17,786,090,074,309,496,832/3,915,804,894.20 - Step 6: Final answer
x = 4,542,128,771.70
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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.