Finding the Fourth Proportional to 840,792,786.26, 1,160,271,565.26 and 464,441,273.97
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Solution
The fourth proportional to 840,792,786.26, 1,160,271,565.26 and 464,441,273.97 is: 640,916,540.59
Step by Step Solution
- Step 1: Write the proportion equation
840,792,786.26 : 1,160,271,565.26 = 464,441,273.97 : x - Step 2: Convert to fraction form
840,792,786.26/1,160,271,565.26 = 464,441,273.97/x - Step 3: Cross multiply
840,792,786.26x = 1,160,271,565.26 × 464,441,273.97 - Step 4: Simplify right side
840,792,786.26x = 538,878,003,920,520,448 - Step 5: Solve for x
x = 538,878,003,920,520,448/840,792,786.26 - Step 6: Final answer
x = 640,916,540.59
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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.