Finding the Fourth Proportional to 377,059,719.68, 520,334,257.47 and 218,296,537.82
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Solution
The fourth proportional to 377,059,719.68, 520,334,257.47 and 218,296,537.82 is: 301,244,500.50
Step by Step Solution
- Step 1: Write the proportion equation
377,059,719.68 : 520,334,257.47 = 218,296,537.82 : x - Step 2: Convert to fraction form
377,059,719.68/520,334,257.47 = 218,296,537.82/x - Step 3: Cross multiply
377,059,719.68x = 520,334,257.47 × 218,296,537.82 - Step 4: Simplify right side
377,059,719.68x = 113,587,166,914,841,472 - Step 5: Solve for x
x = 113,587,166,914,841,472/377,059,719.68 - Step 6: Final answer
x = 301,244,500.50
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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.