Finding the Fourth Proportional to 316,728,197.10, 444,024,137.70 and 316,728,197.10
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Solution
The fourth proportional to 316,728,197.10, 444,024,137.70 and 316,728,197.10 is: 444,024,137.70
Step by Step Solution
- Step 1: Write the proportion equation
316,728,197.10 : 444,024,137.70 = 316,728,197.10 : x - Step 2: Convert to fraction form
316,728,197.10/444,024,137.70 = 316,728,197.10/x - Step 3: Cross multiply
316,728,197.10x = 444,024,137.70 × 316,728,197.10 - Step 4: Simplify right side
316,728,197.10x = 140,634,964,602,603,152 - Step 5: Solve for x
x = 140,634,964,602,603,152/316,728,197.10 - Step 6: Final answer
x = 444,024,137.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.