Finding the Fourth Proportional to 3,260,545,176.40, 4,890,817,764.60 and 1,079,511,312.40
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Solution
The fourth proportional to 3,260,545,176.40, 4,890,817,764.60 and 1,079,511,312.40 is: 1,619,266,968.60
Step by Step Solution
- Step 1: Write the proportion equation
3,260,545,176.40 : 4,890,817,764.60 = 1,079,511,312.40 : x - Step 2: Convert to fraction form
3,260,545,176.40/4,890,817,764.60 = 1,079,511,312.40/x - Step 3: Cross multiply
3,260,545,176.40x = 4,890,817,764.60 × 1,079,511,312.40 - Step 4: Simplify right side
3,260,545,176.40x = 5,279,693,103,772,580,864 - Step 5: Solve for x
x = 5,279,693,103,772,580,864/3,260,545,176.40 - Step 6: Final answer
x = 1,619,266,968.60
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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.