Finding the Fourth Proportional to 3,321,881,411.96, 4,582,036,331.94 and 2,130,563,408.28
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Solution
The fourth proportional to 3,321,881,411.96, 4,582,036,331.94 and 2,130,563,408.28 is: 2,938,792,128.19
Step by Step Solution
- Step 1: Write the proportion equation
3,321,881,411.96 : 4,582,036,331.94 = 2,130,563,408.28 : x - Step 2: Convert to fraction form
3,321,881,411.96/4,582,036,331.94 = 2,130,563,408.28/x - Step 3: Cross multiply
3,321,881,411.96x = 4,582,036,331.94 × 2,130,563,408.28 - Step 4: Simplify right side
3,321,881,411.96x = 9,762,318,944,240,875,520 - Step 5: Solve for x
x = 9,762,318,944,240,875,520/3,321,881,411.96 - Step 6: Final answer
x = 2,938,792,128.19
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1.5x scale
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.