Finding the Fourth Proportional to 20,534,518,965,042, 28,338,315,767,562 and 11,285,831,089,799
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Solution
The fourth proportional to 20,534,518,965,042, 28,338,315,767,562 and 11,285,831,089,799 is: 15,574,820,411,744.58
Step by Step Solution
- Step 1: Write the proportion equation
20,534,518,965,042 : 28,338,315,767,562 = 11,285,831,089,799 : x - Step 2: Convert to fraction form
20,534,518,965,042/28,338,315,767,562 = 11,285,831,089,799/x - Step 3: Cross multiply
20,534,518,965,042x = 28,338,315,767,562 × 11,285,831,089,799 - Step 4: Simplify right side
20,534,518,965,042x = 319,821,445,122,092,414,449,745,920 - Step 5: Solve for x
x = 319,821,445,122,092,414,449,745,920/20,534,518,965,042 - Step 6: Final answer
x = 15,574,820,411,744.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.