Finding the Fourth Proportional to 962,172,514.18, 1,443,471,347.66 and 348,740,796.70
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Solution
The fourth proportional to 962,172,514.18, 1,443,471,347.66 and 348,740,796.70 is: 523,188,243.66
Step by Step Solution
- Step 1: Write the proportion equation
962,172,514.18 : 1,443,471,347.66 = 348,740,796.70 : x - Step 2: Convert to fraction form
962,172,514.18/1,443,471,347.66 = 348,740,796.70/x - Step 3: Cross multiply
962,172,514.18x = 1,443,471,347.66 × 348,740,796.70 - Step 4: Simplify right side
962,172,514.18x = 503,397,347,796,646,080 - Step 5: Solve for x
x = 503,397,347,796,646,080/962,172,514.18 - Step 6: Final answer
x = 523,188,243.66
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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.