Finding the Fourth Proportional to 7,726,306,743.90, 11,590,310,421.45 and 2,820,043,431.90
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Solution
The fourth proportional to 7,726,306,743.90, 11,590,310,421.45 and 2,820,043,431.90 is: 4,230,375,502.95
Step by Step Solution
- Step 1: Write the proportion equation
7,726,306,743.90 : 11,590,310,421.45 = 2,820,043,431.90 : x - Step 2: Convert to fraction form
7,726,306,743.90/11,590,310,421.45 = 2,820,043,431.90/x - Step 3: Cross multiply
7,726,306,743.90x = 11,590,310,421.45 × 2,820,043,431.90 - Step 4: Simplify right side
7,726,306,743.90x = 32,685,178,777,692,196,864 - Step 5: Solve for x
x = 32,685,178,777,692,196,864/7,726,306,743.90 - Step 6: Final answer
x = 4,230,375,502.95
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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.