Finding the Fourth Proportional to 220,473,498,036.99, 304,213,037,844.67 and 122,812,708,615.15
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Solution
The fourth proportional to 220,473,498,036.99, 304,213,037,844.67 and 122,812,708,615.15 is: 169,459,039,323.99
Step by Step Solution
- Step 1: Write the proportion equation
220,473,498,036.99 : 304,213,037,844.67 = 122,812,708,615.15 : x - Step 2: Convert to fraction form
220,473,498,036.99/304,213,037,844.67 = 122,812,708,615.15/x - Step 3: Cross multiply
220,473,498,036.99x = 304,213,037,844.67 × 122,812,708,615.15 - Step 4: Simplify right side
220,473,498,036.99x = 37,361,227,173,747,052,511,232 - Step 5: Solve for x
x = 37,361,227,173,747,052,511,232/220,473,498,036.99 - Step 6: Final answer
x = 169,459,039,323.99
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1.5x scale
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.