Finding the Fourth Proportional to 2,587,264,163.20, 3,880,896,244.80 and 1,033,787,324.80
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Solution
The fourth proportional to 2,587,264,163.20, 3,880,896,244.80 and 1,033,787,324.80 is: 1,550,680,987.20
Step by Step Solution
- Step 1: Write the proportion equation
2,587,264,163.20 : 3,880,896,244.80 = 1,033,787,324.80 : x - Step 2: Convert to fraction form
2,587,264,163.20/3,880,896,244.80 = 1,033,787,324.80/x - Step 3: Cross multiply
2,587,264,163.20x = 3,880,896,244.80 × 1,033,787,324.80 - Step 4: Simplify right side
2,587,264,163.20x = 4,012,021,346,738,158,080 - Step 5: Solve for x
x = 4,012,021,346,738,158,080/2,587,264,163.20 - Step 6: Final answer
x = 1,550,680,987.20
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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.