Finding the Fourth Proportional to 397,002,964.68, 547,483,874.58 and 262,828,486.44
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Solution
The fourth proportional to 397,002,964.68, 547,483,874.58 and 262,828,486.44 is: 362,451,595.85
Step by Step Solution
- Step 1: Write the proportion equation
397,002,964.68 : 547,483,874.58 = 262,828,486.44 : x - Step 2: Convert to fraction form
397,002,964.68/547,483,874.58 = 262,828,486.44/x - Step 3: Cross multiply
397,002,964.68x = 547,483,874.58 × 262,828,486.44 - Step 4: Simplify right side
397,002,964.68x = 143,894,358,106,168,208 - Step 5: Solve for x
x = 143,894,358,106,168,208/397,002,964.68 - Step 6: Final answer
x = 362,451,595.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.