Finding the Fourth Proportional to 425,929,311.12, 587,809,330.20 and 240,222,568.08
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Solution
The fourth proportional to 425,929,311.12, 587,809,330.20 and 240,222,568.08 is: 331,522,304.65
Step by Step Solution
- Step 1: Write the proportion equation
425,929,311.12 : 587,809,330.20 = 240,222,568.08 : x - Step 2: Convert to fraction form
425,929,311.12/587,809,330.20 = 240,222,568.08/x - Step 3: Cross multiply
425,929,311.12x = 587,809,330.20 × 240,222,568.08 - Step 4: Simplify right side
425,929,311.12x = 141,205,066,842,028,720 - Step 5: Solve for x
x = 141,205,066,842,028,720/425,929,311.12 - Step 6: Final answer
x = 331,522,304.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.