Finding the Fourth Proportional to 309,290,046.12, 464,115,977.82 and 115,335,455.40
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Solution
The fourth proportional to 309,290,046.12, 464,115,977.82 and 115,335,455.40 is: 173,070,644.63
Step by Step Solution
- Step 1: Write the proportion equation
309,290,046.12 : 464,115,977.82 = 115,335,455.40 : x - Step 2: Convert to fraction form
309,290,046.12/464,115,977.82 = 115,335,455.40/x - Step 3: Cross multiply
309,290,046.12x = 464,115,977.82 × 115,335,455.40 - Step 4: Simplify right side
309,290,046.12x = 53,529,027,660,286,000 - Step 5: Solve for x
x = 53,529,027,660,286,000/309,290,046.12 - Step 6: Final answer
x = 173,070,644.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.