Finding the Fourth Proportional to 434,643,976.24, 599,754,247.36 and 293,821,599.04
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Solution
The fourth proportional to 434,643,976.24, 599,754,247.36 and 293,821,599.04 is: 405,437,005.05
Step by Step Solution
- Step 1: Write the proportion equation
434,643,976.24 : 599,754,247.36 = 293,821,599.04 : x - Step 2: Convert to fraction form
434,643,976.24/599,754,247.36 = 293,821,599.04/x - Step 3: Cross multiply
434,643,976.24x = 599,754,247.36 × 293,821,599.04 - Step 4: Simplify right side
434,643,976.24x = 176,220,751,990,346,912 - Step 5: Solve for x
x = 176,220,751,990,346,912/434,643,976.24 - Step 6: Final answer
x = 405,437,005.05
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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.