Finding the Fourth Proportional to 318,281,867.05, 477,422,800.58 and 303,215,514.70
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Solution
The fourth proportional to 318,281,867.05, 477,422,800.58 and 303,215,514.70 is: 454,823,272.05
Step by Step Solution
- Step 1: Write the proportion equation
318,281,867.05 : 477,422,800.58 = 303,215,514.70 : x - Step 2: Convert to fraction form
318,281,867.05/477,422,800.58 = 303,215,514.70/x - Step 3: Cross multiply
318,281,867.05x = 477,422,800.58 × 303,215,514.70 - Step 4: Simplify right side
318,281,867.05x = 144,762,000,205,864,064 - Step 5: Solve for x
x = 144,762,000,205,864,064/318,281,867.05 - Step 6: Final answer
x = 454,823,272.05
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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.