Finding the Fourth Proportional to 65,468,122,531.80, 98,202,183,797.70 and 28,275,755,587.80
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Solution
The fourth proportional to 65,468,122,531.80, 98,202,183,797.70 and 28,275,755,587.80 is: 42,413,633,381.70
Step by Step Solution
- Step 1: Write the proportion equation
65,468,122,531.80 : 98,202,183,797.70 = 28,275,755,587.80 : x - Step 2: Convert to fraction form
65,468,122,531.80/98,202,183,797.70 = 28,275,755,587.80/x - Step 3: Cross multiply
65,468,122,531.80x = 98,202,183,797.70 × 28,275,755,587.80 - Step 4: Simplify right side
65,468,122,531.80x = 2,776,740,947,251,978,305,536 - Step 5: Solve for x
x = 2,776,740,947,251,978,305,536/65,468,122,531.80 - Step 6: Final answer
x = 42,413,633,381.70
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1.5x scale
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.