Finding the Fourth Proportional to 416,780,640.62, 625,261,240.29 and 125,623,406.06
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Solution
The fourth proportional to 416,780,640.62, 625,261,240.29 and 125,623,406.06 is: 188,462,320.53
Step by Step Solution
- Step 1: Write the proportion equation
416,780,640.62 : 625,261,240.29 = 125,623,406.06 : x - Step 2: Convert to fraction form
416,780,640.62/625,261,240.29 = 125,623,406.06/x - Step 3: Cross multiply
416,780,640.62x = 625,261,240.29 × 125,623,406.06 - Step 4: Simplify right side
416,780,640.62x = 78,547,446,682,529,904 - Step 5: Solve for x
x = 78,547,446,682,529,904/416,780,640.62 - Step 6: Final answer
x = 188,462,320.53
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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.