Finding the Fourth Proportional to 558,182,117.98, 770,267,725.61 and 303,858,186.84
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Solution
The fourth proportional to 558,182,117.98, 770,267,725.61 and 303,858,186.84 is: 419,311,452.21
Step by Step Solution
- Step 1: Write the proportion equation
558,182,117.98 : 770,267,725.61 = 303,858,186.84 : x - Step 2: Convert to fraction form
558,182,117.98/770,267,725.61 = 303,858,186.84/x - Step 3: Cross multiply
558,182,117.98x = 770,267,725.61 × 303,858,186.84 - Step 4: Simplify right side
558,182,117.98x = 234,052,154,485,225,216 - Step 5: Solve for x
x = 234,052,154,485,225,216/558,182,117.98 - Step 6: Final answer
x = 419,311,452.21
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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.