Finding the Fourth Proportional to 578,185,467,936.17, 797,915,080,965.99 and 317,772,407,583.21
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Solution
The fourth proportional to 578,185,467,936.17, 797,915,080,965.99 and 317,772,407,583.21 is: 438,536,439,233.90
Step by Step Solution
- Step 1: Write the proportion equation
578,185,467,936.17 : 797,915,080,965.99 = 317,772,407,583.21 : x - Step 2: Convert to fraction form
578,185,467,936.17/797,915,080,965.99 = 317,772,407,583.21/x - Step 3: Cross multiply
578,185,467,936.17x = 797,915,080,965.99 × 317,772,407,583.21 - Step 4: Simplify right side
578,185,467,936.17x = 253,555,396,325,514,581,901,312 - Step 5: Solve for x
x = 253,555,396,325,514,581,901,312/578,185,467,936.17 - Step 6: Final answer
x = 438,536,439,233.90
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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.