Finding the Fourth Proportional to 995,328,076.90, 1,492,992,115.35 and 305,229,849.70
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Solution
The fourth proportional to 995,328,076.90, 1,492,992,115.35 and 305,229,849.70 is: 457,844,774.55
Step by Step Solution
- Step 1: Write the proportion equation
995,328,076.90 : 1,492,992,115.35 = 305,229,849.70 : x - Step 2: Convert to fraction form
995,328,076.90/1,492,992,115.35 = 305,229,849.70/x - Step 3: Cross multiply
995,328,076.90x = 1,492,992,115.35 × 305,229,849.70 - Step 4: Simplify right side
995,328,076.90x = 455,705,758,971,565,504 - Step 5: Solve for x
x = 455,705,758,971,565,504/995,328,076.90 - Step 6: Final answer
x = 457,844,774.55
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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.