Finding the Fourth Proportional to 3,029,892,714.21, 4,545,272,820.78 and 931,545,313.68
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Solution
The fourth proportional to 3,029,892,714.21, 4,545,272,820.78 and 931,545,313.68 is: 1,397,451,327.48
Step by Step Solution
- Step 1: Write the proportion equation
3,029,892,714.21 : 4,545,272,820.78 = 931,545,313.68 : x - Step 2: Convert to fraction form
3,029,892,714.21/4,545,272,820.78 = 931,545,313.68/x - Step 3: Cross multiply
3,029,892,714.21x = 4,545,272,820.78 × 931,545,313.68 - Step 4: Simplify right side
3,029,892,714.21x = 4,234,127,595,594,682,880 - Step 5: Solve for x
x = 4,234,127,595,594,682,880/3,029,892,714.21 - Step 6: Final answer
x = 1,397,451,327.48
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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.