Finding the Fourth Proportional to 1,344,293,827.70, 2,018,078,367.15 and 853,006,147.70
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Solution
The fourth proportional to 1,344,293,827.70, 2,018,078,367.15 and 853,006,147.70 is: 1,280,548,357.99
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,827.70 : 2,018,078,367.15 = 853,006,147.70 : x - Step 2: Convert to fraction form
1,344,293,827.70/2,018,078,367.15 = 853,006,147.70/x - Step 3: Cross multiply
1,344,293,827.70x = 2,018,078,367.15 × 853,006,147.70 - Step 4: Simplify right side
1,344,293,827.70x = 1,721,433,253,719,328,000 - Step 5: Solve for x
x = 1,721,433,253,719,328,000/1,344,293,827.70 - Step 6: Final answer
x = 1,280,548,357.99
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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.