Finding the Fourth Proportional to 18,310,865,310.30, 27,429,522,532.56 and 8,348,605,184.56
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Solution
The fourth proportional to 18,310,865,310.30, 27,429,522,532.56 and 8,348,605,184.56 is: 12,506,140,487.88
Step by Step Solution
- Step 1: Write the proportion equation
18,310,865,310.30 : 27,429,522,532.56 = 8,348,605,184.56 : x - Step 2: Convert to fraction form
18,310,865,310.30/27,429,522,532.56 = 8,348,605,184.56/x - Step 3: Cross multiply
18,310,865,310.30x = 27,429,522,532.56 × 8,348,605,184.56 - Step 4: Simplify right side
18,310,865,310.30x = 228,998,254,025,335,767,040 - Step 5: Solve for x
x = 228,998,254,025,335,767,040/18,310,865,310.30 - Step 6: Final answer
x = 12,506,140,487.88
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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.