Finding the Fourth Proportional to 488,889,768.45, 733,334,652.68 and 374,098,512.45
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Solution
The fourth proportional to 488,889,768.45, 733,334,652.68 and 374,098,512.45 is: 561,147,768.68
Step by Step Solution
- Step 1: Write the proportion equation
488,889,768.45 : 733,334,652.68 = 374,098,512.45 : x - Step 2: Convert to fraction form
488,889,768.45/733,334,652.68 = 374,098,512.45/x - Step 3: Cross multiply
488,889,768.45x = 733,334,652.68 × 374,098,512.45 - Step 4: Simplify right side
488,889,768.45x = 274,339,402,695,625,376 - Step 5: Solve for x
x = 274,339,402,695,625,376/488,889,768.45 - Step 6: Final answer
x = 561,147,768.68
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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.