Finding the Fourth Proportional to 2,275,029,780.84, 3,412,672,216.44 and 639,126,838.44
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Solution
The fourth proportional to 2,275,029,780.84, 3,412,672,216.44 and 639,126,838.44 is: 958,726,089.08
Step by Step Solution
- Step 1: Write the proportion equation
2,275,029,780.84 : 3,412,672,216.44 = 639,126,838.44 : x - Step 2: Convert to fraction form
2,275,029,780.84/3,412,672,216.44 = 639,126,838.44/x - Step 3: Cross multiply
2,275,029,780.84x = 3,412,672,216.44 × 639,126,838.44 - Step 4: Simplify right side
2,275,029,780.84x = 2,181,130,404,325,324,800 - Step 5: Solve for x
x = 2,181,130,404,325,324,800/2,275,029,780.84 - Step 6: Final answer
x = 958,726,089.08
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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.