Finding the Fourth Proportional to 12,124,498,196.37, 16,731,629,444.99 and 6,772,136,665.96
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Solution
The fourth proportional to 12,124,498,196.37, 16,731,629,444.99 and 6,772,136,665.96 is: 9,345,449,140.28
Step by Step Solution
- Step 1: Write the proportion equation
12,124,498,196.37 : 16,731,629,444.99 = 6,772,136,665.96 : x - Step 2: Convert to fraction form
12,124,498,196.37/16,731,629,444.99 = 6,772,136,665.96/x - Step 3: Cross multiply
12,124,498,196.37x = 16,731,629,444.99 × 6,772,136,665.96 - Step 4: Simplify right side
12,124,498,196.37x = 113,308,881,245,651,238,912 - Step 5: Solve for x
x = 113,308,881,245,651,238,912/12,124,498,196.37 - Step 6: Final answer
x = 9,345,449,140.28
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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.