Finding the Fourth Proportional to 797,080,986.64, 1,100,190,544.49 and 462,661,248.59
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Solution
The fourth proportional to 797,080,986.64, 1,100,190,544.49 and 462,661,248.59 is: 638,599,514.39
Step by Step Solution
- Step 1: Write the proportion equation
797,080,986.64 : 1,100,190,544.49 = 462,661,248.59 : x - Step 2: Convert to fraction form
797,080,986.64/1,100,190,544.49 = 462,661,248.59/x - Step 3: Cross multiply
797,080,986.64x = 1,100,190,544.49 × 462,661,248.59 - Step 4: Simplify right side
797,080,986.64x = 509,015,531,000,655,296 - Step 5: Solve for x
x = 509,015,531,000,655,296/797,080,986.64 - Step 6: Final answer
x = 638,599,514.39
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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.