Finding the Fourth Proportional to 775,554,858.97, 1,163,246,111.08 and 277,545,213.95
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Solution
The fourth proportional to 775,554,858.97, 1,163,246,111.08 and 277,545,213.95 is: 416,286,980.91
Step by Step Solution
- Step 1: Write the proportion equation
775,554,858.97 : 1,163,246,111.08 = 277,545,213.95 : x - Step 2: Convert to fraction form
775,554,858.97/1,163,246,111.08 = 277,545,213.95/x - Step 3: Cross multiply
775,554,858.97x = 1,163,246,111.08 × 277,545,213.95 - Step 4: Simplify right side
775,554,858.97x = 322,853,390,769,694,016 - Step 5: Solve for x
x = 322,853,390,769,694,016/775,554,858.97 - Step 6: Final answer
x = 416,286,980.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.