Finding the Fourth Proportional to 3,321,881,402.94, 4,582,036,319.52 and 2,130,563,399.25
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Solution
The fourth proportional to 3,321,881,402.94, 4,582,036,319.52 and 2,130,563,399.25 is: 2,938,792,115.75
Step by Step Solution
- Step 1: Write the proportion equation
3,321,881,402.94 : 4,582,036,319.52 = 2,130,563,399.25 : x - Step 2: Convert to fraction form
3,321,881,402.94/4,582,036,319.52 = 2,130,563,399.25/x - Step 3: Cross multiply
3,321,881,402.94x = 4,582,036,319.52 × 2,130,563,399.25 - Step 4: Simplify right side
3,321,881,402.94x = 9,762,318,876,403,490,816 - Step 5: Solve for x
x = 9,762,318,876,403,490,816/3,321,881,402.94 - Step 6: Final answer
x = 2,938,792,115.75
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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.