Finding the Fourth Proportional to 274,966,349.49, 380,452,779.43 and 239,757,523.63
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Solution
The fourth proportional to 274,966,349.49, 380,452,779.43 and 239,757,523.63 is: 331,736,652.22
Step by Step Solution
- Step 1: Write the proportion equation
274,966,349.49 : 380,452,779.43 = 239,757,523.63 : x - Step 2: Convert to fraction form
274,966,349.49/380,452,779.43 = 239,757,523.63/x - Step 3: Cross multiply
274,966,349.49x = 380,452,779.43 × 239,757,523.63 - Step 4: Simplify right side
274,966,349.49x = 91,216,416,252,736,880 - Step 5: Solve for x
x = 91,216,416,252,736,880/274,966,349.49 - Step 6: Final answer
x = 331,736,652.22
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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.