Finding the Fourth Proportional to 5,280,397,923,617.40, 7,920,596,885,426 and 1,888,454,058,324.60
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Solution
The fourth proportional to 5,280,397,923,617.40, 7,920,596,885,426 and 1,888,454,058,324.60 is: 2,832,681,087,486.86
Step by Step Solution
- Step 1: Write the proportion equation
5,280,397,923,617.40 : 7,920,596,885,426 = 1,888,454,058,324.60 : x - Step 2: Convert to fraction form
5,280,397,923,617.40/7,920,596,885,426 = 1,888,454,058,324.60/x - Step 3: Cross multiply
5,280,397,923,617.40x = 7,920,596,885,426 × 1,888,454,058,324.60 - Step 4: Simplify right side
5,280,397,923,617.40x = 14,957,683,332,635,917,901,889,536 - Step 5: Solve for x
x = 14,957,683,332,635,917,901,889,536/5,280,397,923,617.40 - Step 6: Final answer
x = 2,832,681,087,486.86
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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.