Finding the Fourth Proportional to 3,842,488,450.11, 5,763,860,264.07 and 1,321,391,948.70
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Solution
The fourth proportional to 3,842,488,450.11, 5,763,860,264.07 and 1,321,391,948.70 is: 1,982,131,799.55
Step by Step Solution
- Step 1: Write the proportion equation
3,842,488,450.11 : 5,763,860,264.07 = 1,321,391,948.70 : x - Step 2: Convert to fraction form
3,842,488,450.11/5,763,860,264.07 = 1,321,391,948.70/x - Step 3: Cross multiply
3,842,488,450.11x = 5,763,860,264.07 × 1,321,391,948.70 - Step 4: Simplify right side
3,842,488,450.11x = 7,616,318,546,359,350,272 - Step 5: Solve for x
x = 7,616,318,546,359,350,272/3,842,488,450.11 - Step 6: Final answer
x = 1,982,131,799.55
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1.5x scale
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.