Finding the Fourth Proportional to 444,893,449.80, 667,340,174.70 and 253,790,473.80
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Solution
The fourth proportional to 444,893,449.80, 667,340,174.70 and 253,790,473.80 is: 380,685,710.70
Step by Step Solution
- Step 1: Write the proportion equation
444,893,449.80 : 667,340,174.70 = 253,790,473.80 : x - Step 2: Convert to fraction form
444,893,449.80/667,340,174.70 = 253,790,473.80/x - Step 3: Cross multiply
444,893,449.80x = 667,340,174.70 × 253,790,473.80 - Step 4: Simplify right side
444,893,449.80x = 169,364,579,122,887,808 - Step 5: Solve for x
x = 169,364,579,122,887,808/444,893,449.80 - Step 6: Final answer
x = 380,685,710.70
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1.5x scale
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.