Finding the Fourth Proportional to 3,089,395,440.80, 4,639,467,932.40 and 1,638,207,216.80
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Solution
The fourth proportional to 3,089,395,440.80, 4,639,467,932.40 and 1,638,207,216.80 is: 2,460,160,893.81
Step by Step Solution
- Step 1: Write the proportion equation
3,089,395,440.80 : 4,639,467,932.40 = 1,638,207,216.80 : x - Step 2: Convert to fraction form
3,089,395,440.80/4,639,467,932.40 = 1,638,207,216.80/x - Step 3: Cross multiply
3,089,395,440.80x = 4,639,467,932.40 × 1,638,207,216.80 - Step 4: Simplify right side
3,089,395,440.80x = 7,600,409,848,969,853,952 - Step 5: Solve for x
x = 7,600,409,848,969,853,952/3,089,395,440.80 - Step 6: Final answer
x = 2,460,160,893.81
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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.