Finding the Fourth Proportional to 1,465,886,609.20, 2,198,829,913.80 and 884,277,578.80
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Solution
The fourth proportional to 1,465,886,609.20, 2,198,829,913.80 and 884,277,578.80 is: 1,326,416,368.20
Step by Step Solution
- Step 1: Write the proportion equation
1,465,886,609.20 : 2,198,829,913.80 = 884,277,578.80 : x - Step 2: Convert to fraction form
1,465,886,609.20/2,198,829,913.80 = 884,277,578.80/x - Step 3: Cross multiply
1,465,886,609.20x = 2,198,829,913.80 × 884,277,578.80 - Step 4: Simplify right side
1,465,886,609.20x = 1,944,375,992,368,076,800 - Step 5: Solve for x
x = 1,944,375,992,368,076,800/1,465,886,609.20 - Step 6: Final answer
x = 1,326,416,368.20
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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.