Finding the Fourth Proportional to 1,693,685,184.74, 2,540,245,994.04 and 512,984,947.58
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Solution
The fourth proportional to 1,693,685,184.74, 2,540,245,994.04 and 512,984,947.58 is: 769,392,074.65
Step by Step Solution
- Step 1: Write the proportion equation
1,693,685,184.74 : 2,540,245,994.04 = 512,984,947.58 : x - Step 2: Convert to fraction form
1,693,685,184.74/2,540,245,994.04 = 512,984,947.58/x - Step 3: Cross multiply
1,693,685,184.74x = 2,540,245,994.04 × 512,984,947.58 - Step 4: Simplify right side
1,693,685,184.74x = 1,303,107,958,092,914,432 - Step 5: Solve for x
x = 1,303,107,958,092,914,432/1,693,685,184.74 - Step 6: Final answer
x = 769,392,074.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.