Finding the Fourth Proportional to 425,597,855.18, 587,324,774.87 and 230,027,567.18
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Solution
The fourth proportional to 425,597,855.18, 587,324,774.87 and 230,027,567.18 is: 317,437,899.33
Step by Step Solution
- Step 1: Write the proportion equation
425,597,855.18 : 587,324,774.87 = 230,027,567.18 : x - Step 2: Convert to fraction form
425,597,855.18/587,324,774.87 = 230,027,567.18/x - Step 3: Cross multiply
425,597,855.18x = 587,324,774.87 × 230,027,567.18 - Step 4: Simplify right side
425,597,855.18x = 135,100,889,108,205,472 - Step 5: Solve for x
x = 135,100,889,108,205,472/425,597,855.18 - Step 6: Final answer
x = 317,437,899.33
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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.