Finding the Fourth Proportional to 490,187,350.18, 676,482,474.28 and 275,673,494.82
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Solution
The fourth proportional to 490,187,350.18, 676,482,474.28 and 275,673,494.82 is: 380,442,881.28
Step by Step Solution
- Step 1: Write the proportion equation
490,187,350.18 : 676,482,474.28 = 275,673,494.82 : x - Step 2: Convert to fraction form
490,187,350.18/676,482,474.28 = 275,673,494.82/x - Step 3: Cross multiply
490,187,350.18x = 676,482,474.28 × 275,673,494.82 - Step 4: Simplify right side
490,187,350.18x = 186,488,287,869,937,536 - Step 5: Solve for x
x = 186,488,287,869,937,536/490,187,350.18 - Step 6: Final answer
x = 380,442,881.28
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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.