Finding the Fourth Proportional to 8,201,432,487.81, 12,302,059,051.04 and 1,990,597,773.53
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Solution
The fourth proportional to 8,201,432,487.81, 12,302,059,051.04 and 1,990,597,773.53 is: 2,985,874,893.59
Step by Step Solution
- Step 1: Write the proportion equation
8,201,432,487.81 : 12,302,059,051.04 = 1,990,597,773.53 : x - Step 2: Convert to fraction form
8,201,432,487.81/12,302,059,051.04 = 1,990,597,773.53/x - Step 3: Cross multiply
8,201,432,487.81x = 12,302,059,051.04 × 1,990,597,773.53 - Step 4: Simplify right side
8,201,432,487.81x = 24,488,451,356,797,722,624 - Step 5: Solve for x
x = 24,488,451,356,797,722,624/8,201,432,487.81 - Step 6: Final answer
x = 2,985,874,893.59
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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.