Finding the Fourth Proportional to 408,982,403.80, 613,473,605.70 and 132,633,083.80
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Solution
The fourth proportional to 408,982,403.80, 613,473,605.70 and 132,633,083.80 is: 198,949,625.70
Step by Step Solution
- Step 1: Write the proportion equation
408,982,403.80 : 613,473,605.70 = 132,633,083.80 : x - Step 2: Convert to fraction form
408,982,403.80/613,473,605.70 = 132,633,083.80/x - Step 3: Cross multiply
408,982,403.80x = 613,473,605.70 × 132,633,083.80 - Step 4: Simplify right side
408,982,403.80x = 81,366,896,153,896,256 - Step 5: Solve for x
x = 81,366,896,153,896,256/408,982,403.80 - Step 6: Final answer
x = 198,949,625.70
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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.