Finding the Fourth Proportional to 8,746,253,292.56, 12,078,165,478.05 and 8,269,762,991.00
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Solution
The fourth proportional to 8,746,253,292.56, 12,078,165,478.05 and 8,269,762,991.00 is: 11,420,154,725.50
Step by Step Solution
- Step 1: Write the proportion equation
8,746,253,292.56 : 12,078,165,478.05 = 8,269,762,991.00 : x - Step 2: Convert to fraction form
8,746,253,292.56/12,078,165,478.05 = 8,269,762,991.00/x - Step 3: Cross multiply
8,746,253,292.56x = 12,078,165,478.05 × 8,269,762,991.00 - Step 4: Simplify right side
8,746,253,292.56x = 99,883,565,869,466,517,504 - Step 5: Solve for x
x = 99,883,565,869,466,517,504/8,746,253,292.56 - Step 6: Final answer
x = 11,420,154,725.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.