Finding the Fourth Proportional to 79,612,689,490.36, 119,435,805,930.30 and 25,825,625,255.80
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Solution
The fourth proportional to 79,612,689,490.36, 119,435,805,930.30 and 25,825,625,255.80 is: 38,743,878,467.44
Step by Step Solution
- Step 1: Write the proportion equation
79,612,689,490.36 : 119,435,805,930.30 = 25,825,625,255.80 : x - Step 2: Convert to fraction form
79,612,689,490.36/119,435,805,930.30 = 25,825,625,255.80/x - Step 3: Cross multiply
79,612,689,490.36x = 119,435,805,930.30 × 25,825,625,255.80 - Step 4: Simplify right side
79,612,689,490.36x = 3,084,504,366,080,383,254,528 - Step 5: Solve for x
x = 3,084,504,366,080,383,254,528/79,612,689,490.36 - Step 6: Final answer
x = 38,743,878,467.44
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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.