Finding the Fourth Proportional to 319,800,276.49, 478,315,595.39 and 188,329,163.48
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Solution
The fourth proportional to 319,800,276.49, 478,315,595.39 and 188,329,163.48 is: 281,678,230.39
Step by Step Solution
- Step 1: Write the proportion equation
319,800,276.49 : 478,315,595.39 = 188,329,163.48 : x - Step 2: Convert to fraction form
319,800,276.49/478,315,595.39 = 188,329,163.48/x - Step 3: Cross multiply
319,800,276.49x = 478,315,595.39 × 188,329,163.48 - Step 4: Simplify right side
319,800,276.49x = 90,080,775,959,236,832 - Step 5: Solve for x
x = 90,080,775,959,236,832/319,800,276.49 - Step 6: Final answer
x = 281,678,230.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.