Finding the Fourth Proportional to 921,205,187.42, 1,383,033,627.99 and 484,812,327.24
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Solution
The fourth proportional to 921,205,187.42, 1,383,033,627.99 and 484,812,327.24 is: 727,863,630.16
Step by Step Solution
- Step 1: Write the proportion equation
921,205,187.42 : 1,383,033,627.99 = 484,812,327.24 : x - Step 2: Convert to fraction form
921,205,187.42/1,383,033,627.99 = 484,812,327.24/x - Step 3: Cross multiply
921,205,187.42x = 1,383,033,627.99 × 484,812,327.24 - Step 4: Simplify right side
921,205,187.42x = 670,511,751,837,012,352 - Step 5: Solve for x
x = 670,511,751,837,012,352/921,205,187.42 - Step 6: Final answer
x = 727,863,630.16
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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.