Finding the Fourth Proportional to 455,767,783.76, 628,960,158.33 and 246,923,920.26
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Solution
The fourth proportional to 455,767,783.76, 628,960,158.33 and 246,923,920.26 is: 340,755,344.09
Step by Step Solution
- Step 1: Write the proportion equation
455,767,783.76 : 628,960,158.33 = 246,923,920.26 : x - Step 2: Convert to fraction form
455,767,783.76/628,960,158.33 = 246,923,920.26/x - Step 3: Cross multiply
455,767,783.76x = 628,960,158.33 × 246,923,920.26 - Step 4: Simplify right side
455,767,783.76x = 155,305,307,981,267,904 - Step 5: Solve for x
x = 155,305,307,981,267,904/455,767,783.76 - Step 6: Final answer
x = 340,755,344.09
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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.