Finding the Fourth Proportional to 633,917,230.20, 950,875,845.30 and 440,206,985.70
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Solution
The fourth proportional to 633,917,230.20, 950,875,845.30 and 440,206,985.70 is: 660,310,478.55
Step by Step Solution
- Step 1: Write the proportion equation
633,917,230.20 : 950,875,845.30 = 440,206,985.70 : x - Step 2: Convert to fraction form
633,917,230.20/950,875,845.30 = 440,206,985.70/x - Step 3: Cross multiply
633,917,230.20x = 950,875,845.30 × 440,206,985.70 - Step 4: Simplify right side
633,917,230.20x = 418,582,189,634,452,480 - Step 5: Solve for x
x = 418,582,189,634,452,480/633,917,230.20 - Step 6: Final answer
x = 660,310,478.55
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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.