Finding the Fourth Proportional to 549,504,624.90, 824,256,937.35 and 545,678,249.70
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Solution
The fourth proportional to 549,504,624.90, 824,256,937.35 and 545,678,249.70 is: 818,517,374.55
Step by Step Solution
- Step 1: Write the proportion equation
549,504,624.90 : 824,256,937.35 = 545,678,249.70 : x - Step 2: Convert to fraction form
549,504,624.90/824,256,937.35 = 545,678,249.70/x - Step 3: Cross multiply
549,504,624.90x = 824,256,937.35 × 545,678,249.70 - Step 4: Simplify right side
549,504,624.90x = 449,779,082,876,230,592 - Step 5: Solve for x
x = 449,779,082,876,230,592/549,504,624.90 - Step 6: Final answer
x = 818,517,374.55
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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.