Finding the Fourth Proportional to 2,660,314,899.24, 3,671,362,518.66 and 1,470,861,858.60
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Solution
The fourth proportional to 2,660,314,899.24, 3,671,362,518.66 and 1,470,861,858.60 is: 2,029,860,111.42
Step by Step Solution
- Step 1: Write the proportion equation
2,660,314,899.24 : 3,671,362,518.66 = 1,470,861,858.60 : x - Step 2: Convert to fraction form
2,660,314,899.24/3,671,362,518.66 = 1,470,861,858.60/x - Step 3: Cross multiply
2,660,314,899.24x = 3,671,362,518.66 × 1,470,861,858.60 - Step 4: Simplify right side
2,660,314,899.24x = 5,400,067,097,790,623,744 - Step 5: Solve for x
x = 5,400,067,097,790,623,744/2,660,314,899.24 - Step 6: Final answer
x = 2,029,860,111.42
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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.