Finding the Fourth Proportional to 461,603,128.55, 691,305,550.35 and 267,104,645.51
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Solution
The fourth proportional to 461,603,128.55, 691,305,550.35 and 267,104,645.51 is: 400,020,954.24
Step by Step Solution
- Step 1: Write the proportion equation
461,603,128.55 : 691,305,550.35 = 267,104,645.51 : x - Step 2: Convert to fraction form
461,603,128.55/691,305,550.35 = 267,104,645.51/x - Step 3: Cross multiply
461,603,128.55x = 691,305,550.35 × 267,104,645.51 - Step 4: Simplify right side
461,603,128.55x = 184,650,923,961,875,680 - Step 5: Solve for x
x = 184,650,923,961,875,680/461,603,128.55 - Step 6: Final answer
x = 400,020,954.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.