Finding the Fourth Proportional to 347,194,827.42, 479,128,225.59 and 198,518,740.44
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Solution
The fourth proportional to 347,194,827.42, 479,128,225.59 and 198,518,740.44 is: 273,955,498.01
Step by Step Solution
- Step 1: Write the proportion equation
347,194,827.42 : 479,128,225.59 = 198,518,740.44 : x - Step 2: Convert to fraction form
347,194,827.42/479,128,225.59 = 198,518,740.44/x - Step 3: Cross multiply
347,194,827.42x = 479,128,225.59 × 198,518,740.44 - Step 4: Simplify right side
347,194,827.42x = 95,115,931,853,378,976 - Step 5: Solve for x
x = 95,115,931,853,378,976/347,194,827.42 - Step 6: Final answer
x = 273,955,498.01
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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.