Finding the Fourth Proportional to 3,078,237,600.62, 4,247,854,083.87 and 1,668,511,295.90
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Solution
The fourth proportional to 3,078,237,600.62, 4,247,854,083.87 and 1,668,511,295.90 is: 2,302,483,902.10
Step by Step Solution
- Step 1: Write the proportion equation
3,078,237,600.62 : 4,247,854,083.87 = 1,668,511,295.90 : x - Step 2: Convert to fraction form
3,078,237,600.62/4,247,854,083.87 = 1,668,511,295.90/x - Step 3: Cross multiply
3,078,237,600.62x = 4,247,854,083.87 × 1,668,511,295.90 - Step 4: Simplify right side
3,078,237,600.62x = 7,087,592,522,272,040,960 - Step 5: Solve for x
x = 7,087,592,522,272,040,960/3,078,237,600.62 - Step 6: Final answer
x = 2,302,483,902.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.