Finding the Fourth Proportional to 415,194,246.10, 622,366,216.35 and 242,582,209.30
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Solution
The fourth proportional to 415,194,246.10, 622,366,216.35 and 242,582,209.30 is: 363,624,913.34
Step by Step Solution
- Step 1: Write the proportion equation
415,194,246.10 : 622,366,216.35 = 242,582,209.30 : x - Step 2: Convert to fraction form
415,194,246.10/622,366,216.35 = 242,582,209.30/x - Step 3: Cross multiply
415,194,246.10x = 622,366,216.35 × 242,582,209.30 - Step 4: Simplify right side
415,194,246.10x = 150,974,971,755,864,800 - Step 5: Solve for x
x = 150,974,971,755,864,800/415,194,246.10 - Step 6: Final answer
x = 363,624,913.34
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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.