Finding the Fourth Proportional to 3,418,987,501.20, 5,128,481,251.80 and 3,228,519,046.80
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Solution
The fourth proportional to 3,418,987,501.20, 5,128,481,251.80 and 3,228,519,046.80 is: 4,842,778,570.20
Step by Step Solution
- Step 1: Write the proportion equation
3,418,987,501.20 : 5,128,481,251.80 = 3,228,519,046.80 : x - Step 2: Convert to fraction form
3,418,987,501.20/5,128,481,251.80 = 3,228,519,046.80/x - Step 3: Cross multiply
3,418,987,501.20x = 5,128,481,251.80 × 3,228,519,046.80 - Step 4: Simplify right side
3,418,987,501.20x = 16,557,399,402,593,007,616 - Step 5: Solve for x
x = 16,557,399,402,593,007,616/3,418,987,501.20 - Step 6: Final answer
x = 4,842,778,570.20
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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.