Finding the Fourth Proportional to 1,594,330,207.20, 2,391,495,310.80 and 819,489,229.20
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Solution
The fourth proportional to 1,594,330,207.20, 2,391,495,310.80 and 819,489,229.20 is: 1,229,233,843.80
Step by Step Solution
- Step 1: Write the proportion equation
1,594,330,207.20 : 2,391,495,310.80 = 819,489,229.20 : x - Step 2: Convert to fraction form
1,594,330,207.20/2,391,495,310.80 = 819,489,229.20/x - Step 3: Cross multiply
1,594,330,207.20x = 2,391,495,310.80 × 819,489,229.20 - Step 4: Simplify right side
1,594,330,207.20x = 1,959,804,648,882,906,624 - Step 5: Solve for x
x = 1,959,804,648,882,906,624/1,594,330,207.20 - Step 6: Final answer
x = 1,229,233,843.80
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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.