Finding the Fourth Proportional to 1,486,668,157.91, 2,230,984,676.15 and 699,946,797.90
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Solution
The fourth proportional to 1,486,668,157.91, 2,230,984,676.15 and 699,946,797.90 is: 1,050,382,744.75
Step by Step Solution
- Step 1: Write the proportion equation
1,486,668,157.91 : 2,230,984,676.15 = 699,946,797.90 : x - Step 2: Convert to fraction form
1,486,668,157.91/2,230,984,676.15 = 699,946,797.90/x - Step 3: Cross multiply
1,486,668,157.91x = 2,230,984,676.15 × 699,946,797.90 - Step 4: Simplify right side
1,486,668,157.91x = 1,561,570,580,231,661,312 - Step 5: Solve for x
x = 1,561,570,580,231,661,312/1,486,668,157.91 - Step 6: Final answer
x = 1,050,382,744.75
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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.