Finding the Fourth Proportional to 65,132,386,971.78, 97,704,208,292.49 and 17,968,860,860.79
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Solution
The fourth proportional to 65,132,386,971.78, 97,704,208,292.49 and 17,968,860,860.79 is: 26,954,843,910.17
Step by Step Solution
- Step 1: Write the proportion equation
65,132,386,971.78 : 97,704,208,292.49 = 17,968,860,860.79 : x - Step 2: Convert to fraction form
65,132,386,971.78/97,704,208,292.49 = 17,968,860,860.79/x - Step 3: Cross multiply
65,132,386,971.78x = 97,704,208,292.49 × 17,968,860,860.79 - Step 4: Simplify right side
65,132,386,971.78x = 1,755,633,324,321,397,538,816 - Step 5: Solve for x
x = 1,755,633,324,321,397,538,816/65,132,386,971.78 - Step 6: Final answer
x = 26,954,843,910.17
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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.