Finding the Fourth Proportional to 347,269,486,086.36, 479,244,824,216.42 and 208,243,402,623.76
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Solution
The fourth proportional to 347,269,486,086.36, 479,244,824,216.42 and 208,243,402,623.76 is: 287,383,651,265.68
Step by Step Solution
- Step 1: Write the proportion equation
347,269,486,086.36 : 479,244,824,216.42 = 208,243,402,623.76 : x - Step 2: Convert to fraction form
347,269,486,086.36/479,244,824,216.42 = 208,243,402,623.76/x - Step 3: Cross multiply
347,269,486,086.36x = 479,244,824,216.42 × 208,243,402,623.76 - Step 4: Simplify right side
347,269,486,086.36x = 99,799,572,884,653,044,924,416 - Step 5: Solve for x
x = 99,799,572,884,653,044,924,416/347,269,486,086.36 - Step 6: Final answer
x = 287,383,651,265.68
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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.