Finding the Fourth Proportional to 8,169,719,652.60, 12,236,439,626.10 and 6,718,531,428.60
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Solution
The fourth proportional to 8,169,719,652.60, 12,236,439,626.10 and 6,718,531,428.60 is: 10,062,879,474.20
Step by Step Solution
- Step 1: Write the proportion equation
8,169,719,652.60 : 12,236,439,626.10 = 6,718,531,428.60 : x - Step 2: Convert to fraction form
8,169,719,652.60/12,236,439,626.10 = 6,718,531,428.60/x - Step 3: Cross multiply
8,169,719,652.60x = 12,236,439,626.10 × 6,718,531,428.60 - Step 4: Simplify right side
8,169,719,652.60x = 82,210,904,202,119,282,688 - Step 5: Solve for x
x = 82,210,904,202,119,282,688/8,169,719,652.60 - Step 6: Final answer
x = 10,062,879,474.20
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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.