Finding the Fourth Proportional to 8,136,159,478.58, 12,204,280,356.11 and 2,539,627,426.85
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Solution
The fourth proportional to 8,136,159,478.58, 12,204,280,356.11 and 2,539,627,426.85 is: 3,809,453,981.20
Step by Step Solution
- Step 1: Write the proportion equation
8,136,159,478.58 : 12,204,280,356.11 = 2,539,627,426.85 : x - Step 2: Convert to fraction form
8,136,159,478.58/12,204,280,356.11 = 2,539,627,426.85/x - Step 3: Cross multiply
8,136,159,478.58x = 12,204,280,356.11 × 2,539,627,426.85 - Step 4: Simplify right side
8,136,159,478.58x = 30,994,325,117,319,327,744 - Step 5: Solve for x
x = 30,994,325,117,319,327,744/8,136,159,478.58 - Step 6: Final answer
x = 3,809,453,981.20
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1.5x scale
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.