Finding the Fourth Proportional to 423,834,991.90, 584,940,770.85 and 235,682,045.62
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Solution
The fourth proportional to 423,834,991.90, 584,940,770.85 and 235,682,045.62 is: 325,268,182.37
Step by Step Solution
- Step 1: Write the proportion equation
423,834,991.90 : 584,940,770.85 = 235,682,045.62 : x - Step 2: Convert to fraction form
423,834,991.90/584,940,770.85 = 235,682,045.62/x - Step 3: Cross multiply
423,834,991.90x = 584,940,770.85 × 235,682,045.62 - Step 4: Simplify right side
423,834,991.90x = 137,860,037,440,467,680 - Step 5: Solve for x
x = 137,860,037,440,467,680/423,834,991.90 - Step 6: Final answer
x = 325,268,182.37
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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.