Finding the Fourth Proportional to 832,639,749.48, 1,149,044,202.50 and 456,236,530.43
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Solution
The fourth proportional to 832,639,749.48, 1,149,044,202.50 and 456,236,530.43 is: 629,607,150.73
Step by Step Solution
- Step 1: Write the proportion equation
832,639,749.48 : 1,149,044,202.50 = 456,236,530.43 : x - Step 2: Convert to fraction form
832,639,749.48/1,149,044,202.50 = 456,236,530.43/x - Step 3: Cross multiply
832,639,749.48x = 1,149,044,202.50 × 456,236,530.43 - Step 4: Simplify right side
832,639,749.48x = 524,235,940,251,279,872 - Step 5: Solve for x
x = 524,235,940,251,279,872/832,639,749.48 - Step 6: Final answer
x = 629,607,150.73
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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.