Finding the Fourth Proportional to 12,486,534,766.87, 18,722,322,420.50 and 3,974,240,686.14
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Solution
The fourth proportional to 12,486,534,766.87, 18,722,322,420.50 and 3,974,240,686.14 is: 5,958,980,364.99
Step by Step Solution
- Step 1: Write the proportion equation
12,486,534,766.87 : 18,722,322,420.50 = 3,974,240,686.14 : x - Step 2: Convert to fraction form
12,486,534,766.87/18,722,322,420.50 = 3,974,240,686.14/x - Step 3: Cross multiply
12,486,534,766.87x = 18,722,322,420.50 × 3,974,240,686.14 - Step 4: Simplify right side
12,486,534,766.87x = 74,407,015,502,590,164,992 - Step 5: Solve for x
x = 74,407,015,502,590,164,992/12,486,534,766.87 - Step 6: Final answer
x = 5,958,980,364.99
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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.