Finding the Fourth Proportional to 7,722,731,230.80, 11,584,096,846.20 and 2,815,565,125.20
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Solution
The fourth proportional to 7,722,731,230.80, 11,584,096,846.20 and 2,815,565,125.20 is: 4,223,347,687.80
Step by Step Solution
- Step 1: Write the proportion equation
7,722,731,230.80 : 11,584,096,846.20 = 2,815,565,125.20 : x - Step 2: Convert to fraction form
7,722,731,230.80/11,584,096,846.20 = 2,815,565,125.20/x - Step 3: Cross multiply
7,722,731,230.80x = 11,584,096,846.20 × 2,815,565,125.20 - Step 4: Simplify right side
7,722,731,230.80x = 32,615,779,087,100,026,880 - Step 5: Solve for x
x = 32,615,779,087,100,026,880/7,722,731,230.80 - Step 6: Final answer
x = 4,223,347,687.80
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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.