Finding the Fourth Proportional to 347,680,518,129.70, 521,520,777,194.55 and 99,527,331,825.70
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Solution
The fourth proportional to 347,680,518,129.70, 521,520,777,194.55 and 99,527,331,825.70 is: 149,290,997,738.55
Step by Step Solution
- Step 1: Write the proportion equation
347,680,518,129.70 : 521,520,777,194.55 = 99,527,331,825.70 : x - Step 2: Convert to fraction form
347,680,518,129.70/521,520,777,194.55 = 99,527,331,825.70/x - Step 3: Cross multiply
347,680,518,129.70x = 521,520,777,194.55 × 99,527,331,825.70 - Step 4: Simplify right side
347,680,518,129.70x = 51,905,571,445,838,935,228,416 - Step 5: Solve for x
x = 51,905,571,445,838,935,228,416/347,680,518,129.70 - Step 6: Final answer
x = 149,290,997,738.55
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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.