Finding the Fourth Proportional to 440,122,480.80, 660,183,721.20 and 310,982,317.80
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Solution
The fourth proportional to 440,122,480.80, 660,183,721.20 and 310,982,317.80 is: 466,473,476.70
Step by Step Solution
- Step 1: Write the proportion equation
440,122,480.80 : 660,183,721.20 = 310,982,317.80 : x - Step 2: Convert to fraction form
440,122,480.80/660,183,721.20 = 310,982,317.80/x - Step 3: Cross multiply
440,122,480.80x = 660,183,721.20 × 310,982,317.80 - Step 4: Simplify right side
440,122,480.80x = 205,305,463,792,605,024 - Step 5: Solve for x
x = 205,305,463,792,605,024/440,122,480.80 - Step 6: Final answer
x = 466,473,476.70
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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.