Finding the Fourth Proportional to 28,493,874,817,812, 39,319,389,289,016 and 15,991,190,183,851
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Solution
The fourth proportional to 28,493,874,817,812, 39,319,389,289,016 and 15,991,190,183,851 is: 22,066,631,374,420.09
Step by Step Solution
- Step 1: Write the proportion equation
28,493,874,817,812 : 39,319,389,289,016 = 15,991,190,183,851 : x - Step 2: Convert to fraction form
28,493,874,817,812/39,319,389,289,016 = 15,991,190,183,851/x - Step 3: Cross multiply
28,493,874,817,812x = 39,319,389,289,016 × 15,991,190,183,851 - Step 4: Simplify right side
28,493,874,817,812x = 628,763,832,033,528,861,914,300,416 - Step 5: Solve for x
x = 628,763,832,033,528,861,914,300,416/28,493,874,817,812 - Step 6: Final answer
x = 22,066,631,374,420.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.