Finding the Fourth Proportional to 633,917,239.20, 950,875,858.80 and 440,206,994.70
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Solution
The fourth proportional to 633,917,239.20, 950,875,858.80 and 440,206,994.70 is: 660,310,492.05
Step by Step Solution
- Step 1: Write the proportion equation
633,917,239.20 : 950,875,858.80 = 440,206,994.70 : x - Step 2: Convert to fraction form
633,917,239.20/950,875,858.80 = 440,206,994.70/x - Step 3: Cross multiply
633,917,239.20x = 950,875,858.80 × 440,206,994.70 - Step 4: Simplify right side
633,917,239.20x = 418,582,204,135,129,536 - Step 5: Solve for x
x = 418,582,204,135,129,536/633,917,239.20 - Step 6: Final answer
x = 660,310,492.05
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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.