Finding the Fourth Proportional to 3,543,641,747.20, 5,315,462,620.80 and 1,702,950,572.80
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Solution
The fourth proportional to 3,543,641,747.20, 5,315,462,620.80 and 1,702,950,572.80 is: 2,554,425,859.20
Step by Step Solution
- Step 1: Write the proportion equation
3,543,641,747.20 : 5,315,462,620.80 = 1,702,950,572.80 : x - Step 2: Convert to fraction form
3,543,641,747.20/5,315,462,620.80 = 1,702,950,572.80/x - Step 3: Cross multiply
3,543,641,747.20x = 5,315,462,620.80 × 1,702,950,572.80 - Step 4: Simplify right side
3,543,641,747.20x = 9,051,970,114,788,348,928 - Step 5: Solve for x
x = 9,051,970,114,788,348,928/3,543,641,747.20 - Step 6: Final answer
x = 2,554,425,859.20
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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.