Finding the Fourth Proportional to 1,685,719,229.10, 2,528,578,843.65 and 716,244,873.90
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Solution
The fourth proportional to 1,685,719,229.10, 2,528,578,843.65 and 716,244,873.90 is: 1,074,367,310.85
Step by Step Solution
- Step 1: Write the proportion equation
1,685,719,229.10 : 2,528,578,843.65 = 716,244,873.90 : x - Step 2: Convert to fraction form
1,685,719,229.10/2,528,578,843.65 = 716,244,873.90/x - Step 3: Cross multiply
1,685,719,229.10x = 2,528,578,843.65 × 716,244,873.90 - Step 4: Simplify right side
1,685,719,229.10x = 1,811,081,635,016,302,080 - Step 5: Solve for x
x = 1,811,081,635,016,302,080/1,685,719,229.10 - Step 6: Final answer
x = 1,074,367,310.85
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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.