Finding the Fourth Proportional to 437,305,981.44, 603,489,426.84 and 261,109,373.88
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Solution
The fourth proportional to 437,305,981.44, 603,489,426.84 and 261,109,373.88 is: 360,335,218.53
Step by Step Solution
- Step 1: Write the proportion equation
437,305,981.44 : 603,489,426.84 = 261,109,373.88 : x - Step 2: Convert to fraction form
437,305,981.44/603,489,426.84 = 261,109,373.88/x - Step 3: Cross multiply
437,305,981.44x = 603,489,426.84 × 261,109,373.88 - Step 4: Simplify right side
437,305,981.44x = 157,576,746,385,392,480 - Step 5: Solve for x
x = 157,576,746,385,392,480/437,305,981.44 - Step 6: Final answer
x = 360,335,218.53
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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.