Finding the Fourth Proportional to 996,524,609.68, 1,375,215,502.80 and 550,478,732.86
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Solution
The fourth proportional to 996,524,609.68, 1,375,215,502.80 and 550,478,732.86 is: 759,667,026.82
Step by Step Solution
- Step 1: Write the proportion equation
996,524,609.68 : 1,375,215,502.80 = 550,478,732.86 : x - Step 2: Convert to fraction form
996,524,609.68/1,375,215,502.80 = 550,478,732.86/x - Step 3: Cross multiply
996,524,609.68x = 1,375,215,502.80 × 550,478,732.86 - Step 4: Simplify right side
996,524,609.68x = 757,026,887,390,771,712 - Step 5: Solve for x
x = 757,026,887,390,771,712/996,524,609.68 - Step 6: Final answer
x = 759,667,026.82
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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.