Finding the Fourth Proportional to 232,459,546.40, 348,689,319.60 and 130,422,874.40
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Solution
The fourth proportional to 232,459,546.40, 348,689,319.60 and 130,422,874.40 is: 195,634,311.60
Step by Step Solution
- Step 1: Write the proportion equation
232,459,546.40 : 348,689,319.60 = 130,422,874.40 : x - Step 2: Convert to fraction form
232,459,546.40/348,689,319.60 = 130,422,874.40/x - Step 3: Cross multiply
232,459,546.40x = 348,689,319.60 × 130,422,874.40 - Step 4: Simplify right side
232,459,546.40x = 45,477,063,334,812,264 - Step 5: Solve for x
x = 45,477,063,334,812,264/232,459,546.40 - Step 6: Final answer
x = 195,634,311.60
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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.