Finding the Fourth Proportional to 5,280,397,923,615.90, 7,920,596,885,424 and 1,888,454,058,323.10
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Solution
The fourth proportional to 5,280,397,923,615.90, 7,920,596,885,424 and 1,888,454,058,323.10 is: 2,832,681,087,484.70
Step by Step Solution
- Step 1: Write the proportion equation
5,280,397,923,615.90 : 7,920,596,885,424 = 1,888,454,058,323.10 : x - Step 2: Convert to fraction form
5,280,397,923,615.90/7,920,596,885,424 = 1,888,454,058,323.10/x - Step 3: Cross multiply
5,280,397,923,615.90x = 7,920,596,885,424 × 1,888,454,058,323.10 - Step 4: Simplify right side
5,280,397,923,615.90x = 14,957,683,332,620,258,451,128,320 - Step 5: Solve for x
x = 14,957,683,332,620,258,451,128,320/5,280,397,923,615.90 - Step 6: Final answer
x = 2,832,681,087,484.70
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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.