Finding the Fourth Proportional to 338,312,849.05, 466,848,236.91 and 187,613,278.63
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Solution
The fourth proportional to 338,312,849.05, 466,848,236.91 and 187,613,278.63 is: 258,893,295.35
Step by Step Solution
- Step 1: Write the proportion equation
338,312,849.05 : 466,848,236.91 = 187,613,278.63 : x - Step 2: Convert to fraction form
338,312,849.05/466,848,236.91 = 187,613,278.63/x - Step 3: Cross multiply
338,312,849.05x = 466,848,236.91 × 187,613,278.63 - Step 4: Simplify right side
338,312,849.05x = 87,586,928,348,854,624 - Step 5: Solve for x
x = 87,586,928,348,854,624/338,312,849.05 - Step 6: Final answer
x = 258,893,295.35
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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.