Finding the Fourth Proportional to 478,316,125.55, 717,474,197.75 and 114,810,481.55
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Solution
The fourth proportional to 478,316,125.55, 717,474,197.75 and 114,810,481.55 is: 172,215,724.59
Step by Step Solution
- Step 1: Write the proportion equation
478,316,125.55 : 717,474,197.75 = 114,810,481.55 : x - Step 2: Convert to fraction form
478,316,125.55/717,474,197.75 = 114,810,481.55/x - Step 3: Cross multiply
478,316,125.55x = 717,474,197.75 × 114,810,481.55 - Step 4: Simplify right side
478,316,125.55x = 82,373,558,144,597,056 - Step 5: Solve for x
x = 82,373,558,144,597,056/478,316,125.55 - Step 6: Final answer
x = 172,215,724.59
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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.