Finding the Fourth Proportional to 1,857,467,213.40, 2,563,227,391.45 and 1,010,697,861.18
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Solution
The fourth proportional to 1,857,467,213.40, 2,563,227,391.45 and 1,010,697,861.18 is: 1,394,720,953.12
Step by Step Solution
- Step 1: Write the proportion equation
1,857,467,213.40 : 2,563,227,391.45 = 1,010,697,861.18 : x - Step 2: Convert to fraction form
1,857,467,213.40/2,563,227,391.45 = 1,010,697,861.18/x - Step 3: Cross multiply
1,857,467,213.40x = 2,563,227,391.45 × 1,010,697,861.18 - Step 4: Simplify right side
1,857,467,213.40x = 2,590,648,442,256,505,344 - Step 5: Solve for x
x = 2,590,648,442,256,505,344/1,857,467,213.40 - Step 6: Final answer
x = 1,394,720,953.12
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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.