Finding the Fourth Proportional to 1,693,120,363.20, 2,539,680,544.80 and 966,182,558.40
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Solution
The fourth proportional to 1,693,120,363.20, 2,539,680,544.80 and 966,182,558.40 is: 1,449,273,837.60
Step by Step Solution
- Step 1: Write the proportion equation
1,693,120,363.20 : 2,539,680,544.80 = 966,182,558.40 : x - Step 2: Convert to fraction form
1,693,120,363.20/2,539,680,544.80 = 966,182,558.40/x - Step 3: Cross multiply
1,693,120,363.20x = 2,539,680,544.80 × 966,182,558.40 - Step 4: Simplify right side
1,693,120,363.20x = 2,453,795,046,293,570,048 - Step 5: Solve for x
x = 2,453,795,046,293,570,048/1,693,120,363.20 - Step 6: Final answer
x = 1,449,273,837.60
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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.