Finding the Fourth Proportional to 3,543,648,990.20, 5,315,473,485.30 and 1,702,957,815.80
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Solution
The fourth proportional to 3,543,648,990.20, 5,315,473,485.30 and 1,702,957,815.80 is: 2,554,436,723.70
Step by Step Solution
- Step 1: Write the proportion equation
3,543,648,990.20 : 5,315,473,485.30 = 1,702,957,815.80 : x - Step 2: Convert to fraction form
3,543,648,990.20/5,315,473,485.30 = 1,702,957,815.80/x - Step 3: Cross multiply
3,543,648,990.20x = 5,315,473,485.30 × 1,702,957,815.80 - Step 4: Simplify right side
3,543,648,990.20x = 9,052,027,116,469,301,248 - Step 5: Solve for x
x = 9,052,027,116,469,301,248/3,543,648,990.20 - Step 6: Final answer
x = 2,554,436,723.70
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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.