Finding the Fourth Proportional to 2,986,131,573.60, 4,479,869,206.80 and 1,758,668,200.80
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Solution
The fourth proportional to 2,986,131,573.60, 4,479,869,206.80 and 1,758,668,200.80 is: 2,638,397,981.99
Step by Step Solution
- Step 1: Write the proportion equation
2,986,131,573.60 : 4,479,869,206.80 = 1,758,668,200.80 : x - Step 2: Convert to fraction form
2,986,131,573.60/4,479,869,206.80 = 1,758,668,200.80/x - Step 3: Cross multiply
2,986,131,573.60x = 4,479,869,206.80 × 1,758,668,200.80 - Step 4: Simplify right side
2,986,131,573.60x = 7,878,603,517,742,279,680 - Step 5: Solve for x
x = 7,878,603,517,742,279,680/2,986,131,573.60 - Step 6: Final answer
x = 2,638,397,981.99
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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.