Finding the Fourth Proportional to 7,972,279,475.60, 11,958,356,227.80 and 2,076,827,315.60
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Solution
The fourth proportional to 7,972,279,475.60, 11,958,356,227.80 and 2,076,827,315.60 is: 3,115,224,565.27
Step by Step Solution
- Step 1: Write the proportion equation
7,972,279,475.60 : 11,958,356,227.80 = 2,076,827,315.60 : x - Step 2: Convert to fraction form
7,972,279,475.60/11,958,356,227.80 = 2,076,827,315.60/x - Step 3: Cross multiply
7,972,279,475.60x = 11,958,356,227.80 × 2,076,827,315.60 - Step 4: Simplify right side
7,972,279,475.60x = 24,835,440,863,570,411,520 - Step 5: Solve for x
x = 24,835,440,863,570,411,520/7,972,279,475.60 - Step 6: Final answer
x = 3,115,224,565.27
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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.