Finding the Fourth Proportional to 434,420,451.20, 651,630,676.80 and 434,420,451.20
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Solution
The fourth proportional to 434,420,451.20, 651,630,676.80 and 434,420,451.20 is: 651,630,676.80
Step by Step Solution
- Step 1: Write the proportion equation
434,420,451.20 : 651,630,676.80 = 434,420,451.20 : x - Step 2: Convert to fraction form
434,420,451.20/651,630,676.80 = 434,420,451.20/x - Step 3: Cross multiply
434,420,451.20x = 651,630,676.80 × 434,420,451.20 - Step 4: Simplify right side
434,420,451.20x = 283,081,692,631,217,344 - Step 5: Solve for x
x = 283,081,692,631,217,344/434,420,451.20 - Step 6: Final answer
x = 651,630,676.80
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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.