Finding the Fourth Proportional to 417,060,612.20, 625,590,918.30 and 110,383,725.80
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Solution
The fourth proportional to 417,060,612.20, 625,590,918.30 and 110,383,725.80 is: 165,575,588.70
Step by Step Solution
- Step 1: Write the proportion equation
417,060,612.20 : 625,590,918.30 = 110,383,725.80 : x - Step 2: Convert to fraction form
417,060,612.20/625,590,918.30 = 110,383,725.80/x - Step 3: Cross multiply
417,060,612.20x = 625,590,918.30 × 110,383,725.80 - Step 4: Simplify right side
417,060,612.20x = 69,055,056,388,597,392 - Step 5: Solve for x
x = 69,055,056,388,597,392/417,060,612.20 - Step 6: Final answer
x = 165,575,588.70
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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.