Finding the Fourth Proportional to 4,313,721,858.20, 6,470,582,787.30 and 1,860,058,761.20
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Solution
The fourth proportional to 4,313,721,858.20, 6,470,582,787.30 and 1,860,058,761.20 is: 2,790,088,141.80
Step by Step Solution
- Step 1: Write the proportion equation
4,313,721,858.20 : 6,470,582,787.30 = 1,860,058,761.20 : x - Step 2: Convert to fraction form
4,313,721,858.20/6,470,582,787.30 = 1,860,058,761.20/x - Step 3: Cross multiply
4,313,721,858.20x = 6,470,582,787.30 × 1,860,058,761.20 - Step 4: Simplify right side
4,313,721,858.20x = 12,035,664,203,587,280,896 - Step 5: Solve for x
x = 12,035,664,203,587,280,896/4,313,721,858.20 - Step 6: Final answer
x = 2,790,088,141.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.