Finding the Fourth Proportional to 449,382,101.94, 620,166,452.94 and 251,143,590.96
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Solution
The fourth proportional to 449,382,101.94, 620,166,452.94 and 251,143,590.96 is: 346,588,859.04
Step by Step Solution
- Step 1: Write the proportion equation
449,382,101.94 : 620,166,452.94 = 251,143,590.96 : x - Step 2: Convert to fraction form
449,382,101.94/620,166,452.94 = 251,143,590.96/x - Step 3: Cross multiply
449,382,101.94x = 620,166,452.94 × 251,143,590.96 - Step 4: Simplify right side
449,382,101.94x = 155,750,829,984,277,472 - Step 5: Solve for x
x = 155,750,829,984,277,472/449,382,101.94 - Step 6: Final answer
x = 346,588,859.04
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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.