Finding the Fourth Proportional to 8,466,911,239.68, 12,697,647,871.20 and 2,793,224,372.40
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Solution
The fourth proportional to 8,466,911,239.68, 12,697,647,871.20 and 2,793,224,372.40 is: 4,188,939,567.45
Step by Step Solution
- Step 1: Write the proportion equation
8,466,911,239.68 : 12,697,647,871.20 = 2,793,224,372.40 : x - Step 2: Convert to fraction form
8,466,911,239.68/12,697,647,871.20 = 2,793,224,372.40/x - Step 3: Cross multiply
8,466,911,239.68x = 12,697,647,871.20 × 2,793,224,372.40 - Step 4: Simplify right side
8,466,911,239.68x = 35,467,379,505,988,820,992 - Step 5: Solve for x
x = 35,467,379,505,988,820,992/8,466,911,239.68 - Step 6: Final answer
x = 4,188,939,567.45
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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.