Finding the Fourth Proportional to 4,251,531,623.20, 6,377,297,434.80 and 2,159,460,982.60
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Solution
The fourth proportional to 4,251,531,623.20, 6,377,297,434.80 and 2,159,460,982.60 is: 3,239,191,473.90
Step by Step Solution
- Step 1: Write the proportion equation
4,251,531,623.20 : 6,377,297,434.80 = 2,159,460,982.60 : x - Step 2: Convert to fraction form
4,251,531,623.20/6,377,297,434.80 = 2,159,460,982.60/x - Step 3: Cross multiply
4,251,531,623.20x = 6,377,297,434.80 × 2,159,460,982.60 - Step 4: Simplify right side
4,251,531,623.20x = 13,771,524,984,885,667,840 - Step 5: Solve for x
x = 13,771,524,984,885,667,840/4,251,531,623.20 - Step 6: Final answer
x = 3,239,191,473.90
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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.