Finding the Fourth Proportional to 664,334,390.80, 996,496,337.40 and 173,046,710.80
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Solution
The fourth proportional to 664,334,390.80, 996,496,337.40 and 173,046,710.80 is: 259,568,698.99
Step by Step Solution
- Step 1: Write the proportion equation
664,334,390.80 : 996,496,337.40 = 173,046,710.80 : x - Step 2: Convert to fraction form
664,334,390.80/996,496,337.40 = 173,046,710.80/x - Step 3: Cross multiply
664,334,390.80x = 996,496,337.40 × 173,046,710.80 - Step 4: Simplify right side
664,334,390.80x = 172,440,413,511,317,024 - Step 5: Solve for x
x = 172,440,413,511,317,024/664,334,390.80 - Step 6: Final answer
x = 259,568,698.99
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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.