Finding the Fourth Proportional to 2,967,029,611.20, 4,450,544,416.80 and 756,235,051.20
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Solution
The fourth proportional to 2,967,029,611.20, 4,450,544,416.80 and 756,235,051.20 is: 1,134,352,576.80
Step by Step Solution
- Step 1: Write the proportion equation
2,967,029,611.20 : 4,450,544,416.80 = 756,235,051.20 : x - Step 2: Convert to fraction form
2,967,029,611.20/4,450,544,416.80 = 756,235,051.20/x - Step 3: Cross multiply
2,967,029,611.20x = 4,450,544,416.80 × 756,235,051.20 - Step 4: Simplify right side
2,967,029,611.20x = 3,365,657,684,906,622,464 - Step 5: Solve for x
x = 3,365,657,684,906,622,464/2,967,029,611.20 - Step 6: Final answer
x = 1,134,352,576.80
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1.5x scale
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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.