Finding the Fourth Proportional to 3,787,351,306,486.80, 5,680,452,952,815.90 and 1,030,774,135,605.20
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Solution
The fourth proportional to 3,787,351,306,486.80, 5,680,452,952,815.90 and 1,030,774,135,605.20 is: 1,546,004,980,381.99
Step by Step Solution
- Step 1: Write the proportion equation
3,787,351,306,486.80 : 5,680,452,952,815.90 = 1,030,774,135,605.20 : x - Step 2: Convert to fraction form
3,787,351,306,486.80/5,680,452,952,815.90 = 1,030,774,135,605.20/x - Step 3: Cross multiply
3,787,351,306,486.80x = 5,680,452,952,815.90 × 1,030,774,135,605.20 - Step 4: Simplify right side
3,787,351,306,486.80x = 5,855,263,982,284,815,546,187,776 - Step 5: Solve for x
x = 5,855,263,982,284,815,546,187,776/3,787,351,306,486.80 - Step 6: Final answer
x = 1,546,004,980,381.99
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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.