Finding the Fourth Proportional to 2,587,288,233.40, 3,880,932,350.10 and 1,422,306,575.80
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Solution
The fourth proportional to 2,587,288,233.40, 3,880,932,350.10 and 1,422,306,575.80 is: 2,133,459,863.70
Step by Step Solution
- Step 1: Write the proportion equation
2,587,288,233.40 : 3,880,932,350.10 = 1,422,306,575.80 : x - Step 2: Convert to fraction form
2,587,288,233.40/3,880,932,350.10 = 1,422,306,575.80/x - Step 3: Cross multiply
2,587,288,233.40x = 3,880,932,350.10 × 1,422,306,575.80 - Step 4: Simplify right side
2,587,288,233.40x = 5,519,875,601,782,177,792 - Step 5: Solve for x
x = 5,519,875,601,782,177,792/2,587,288,233.40 - Step 6: Final answer
x = 2,133,459,863.70
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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.