Finding the Fourth Proportional to 651,049,194.35, 898,524,911.12 and 386,732,231.68
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Solution
The fourth proportional to 651,049,194.35, 898,524,911.12 and 386,732,231.68 is: 533,736,232.39
Step by Step Solution
- Step 1: Write the proportion equation
651,049,194.35 : 898,524,911.12 = 386,732,231.68 : x - Step 2: Convert to fraction form
651,049,194.35/898,524,911.12 = 386,732,231.68/x - Step 3: Cross multiply
651,049,194.35x = 898,524,911.12 × 386,732,231.68 - Step 4: Simplify right side
651,049,194.35x = 347,488,544,091,084,992 - Step 5: Solve for x
x = 347,488,544,091,084,992/651,049,194.35 - Step 6: Final answer
x = 533,736,232.39
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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.