Finding the Fourth Proportional to 556,997,612.13, 835,524,170.02 and 211,977,979.29
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Solution
The fourth proportional to 556,997,612.13, 835,524,170.02 and 211,977,979.29 is: 317,977,530.52
Step by Step Solution
- Step 1: Write the proportion equation
556,997,612.13 : 835,524,170.02 = 211,977,979.29 : x - Step 2: Convert to fraction form
556,997,612.13/835,524,170.02 = 211,977,979.29/x - Step 3: Cross multiply
556,997,612.13x = 835,524,170.02 × 211,977,979.29 - Step 4: Simplify right side
556,997,612.13x = 177,112,725,211,397,280 - Step 5: Solve for x
x = 177,112,725,211,397,280/556,997,612.13 - Step 6: Final answer
x = 317,977,530.52
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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.