Finding the Fourth Proportional to 675,612,405.12, 1,013,222,860.25 and 202,892,376.99
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Solution
The fourth proportional to 675,612,405.12, 1,013,222,860.25 and 202,892,376.99 is: 304,279,780.80
Step by Step Solution
- Step 1: Write the proportion equation
675,612,405.12 : 1,013,222,860.25 = 202,892,376.99 : x - Step 2: Convert to fraction form
675,612,405.12/1,013,222,860.25 = 202,892,376.99/x - Step 3: Cross multiply
675,612,405.12x = 1,013,222,860.25 × 202,892,376.99 - Step 4: Simplify right side
675,612,405.12x = 205,575,194,535,714,624 - Step 5: Solve for x
x = 205,575,194,535,714,624/675,612,405.12 - Step 6: Final answer
x = 304,279,780.80
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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.