Finding the Fourth Proportional to 364,829,039.19, 503,464,559.72 and 197,565,589.05
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Solution
The fourth proportional to 364,829,039.19, 503,464,559.72 and 197,565,589.05 is: 272,640,775.88
Step by Step Solution
- Step 1: Write the proportion equation
364,829,039.19 : 503,464,559.72 = 197,565,589.05 : x - Step 2: Convert to fraction form
364,829,039.19/503,464,559.72 = 197,565,589.05/x - Step 3: Cross multiply
364,829,039.19x = 503,464,559.72 × 197,565,589.05 - Step 4: Simplify right side
364,829,039.19x = 99,467,272,306,880,720 - Step 5: Solve for x
x = 99,467,272,306,880,720/364,829,039.19 - Step 6: Final answer
x = 272,640,775.88
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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.