Finding the Fourth Proportional to 576,011,536.92, 794,898,027.84 and 311,693,532.08
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Solution
The fourth proportional to 576,011,536.92, 794,898,027.84 and 311,693,532.08 is: 430,138,214.35
Step by Step Solution
- Step 1: Write the proportion equation
576,011,536.92 : 794,898,027.84 = 311,693,532.08 : x - Step 2: Convert to fraction form
576,011,536.92/794,898,027.84 = 311,693,532.08/x - Step 3: Cross multiply
576,011,536.92x = 794,898,027.84 × 311,693,532.08 - Step 4: Simplify right side
576,011,536.92x = 247,764,573,936,901,280 - Step 5: Solve for x
x = 247,764,573,936,901,280/576,011,536.92 - Step 6: Final answer
x = 430,138,214.35
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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.