Finding the Fourth Proportional to 258,313,573.44, 356,475,519 and 140,837,950.44
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Solution
The fourth proportional to 258,313,573.44, 356,475,519 and 140,837,950.44 is: 194,357,891.49
Step by Step Solution
- Step 1: Write the proportion equation
258,313,573.44 : 356,475,519 = 140,837,950.44 : x - Step 2: Convert to fraction form
258,313,573.44/356,475,519 = 140,837,950.44/x - Step 3: Cross multiply
258,313,573.44x = 356,475,519 × 140,837,950.44 - Step 4: Simplify right side
258,313,573.44x = 50,205,281,477,995,280 - Step 5: Solve for x
x = 50,205,281,477,995,280/258,313,573.44 - Step 6: Final answer
x = 194,357,891.49
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1.5x scale
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.