Finding the Fourth Proportional to 293,417,230.80, 440,125,846.20 and 220,237,805.10
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Solution
The fourth proportional to 293,417,230.80, 440,125,846.20 and 220,237,805.10 is: 330,356,707.65
Step by Step Solution
- Step 1: Write the proportion equation
293,417,230.80 : 440,125,846.20 = 220,237,805.10 : x - Step 2: Convert to fraction form
293,417,230.80/440,125,846.20 = 220,237,805.10/x - Step 3: Cross multiply
293,417,230.80x = 440,125,846.20 × 220,237,805.10 - Step 4: Simplify right side
293,417,230.80x = 96,932,350,334,868,176 - Step 5: Solve for x
x = 96,932,350,334,868,176/293,417,230.80 - Step 6: Final answer
x = 330,356,707.65
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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.