Finding the Fourth Proportional to 568,079,794.40, 852,119,691.60 and 453,288,538.40
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Solution
The fourth proportional to 568,079,794.40, 852,119,691.60 and 453,288,538.40 is: 679,932,807.60
Step by Step Solution
- Step 1: Write the proportion equation
568,079,794.40 : 852,119,691.60 = 453,288,538.40 : x - Step 2: Convert to fraction form
568,079,794.40/852,119,691.60 = 453,288,538.40/x - Step 3: Cross multiply
568,079,794.40x = 852,119,691.60 × 453,288,538.40 - Step 4: Simplify right side
568,079,794.40x = 386,256,089,547,222,720 - Step 5: Solve for x
x = 386,256,089,547,222,720/568,079,794.40 - Step 6: Final answer
x = 679,932,807.60
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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.