Finding the Fourth Proportional to 309,726,554.80, 464,659,825.79 and 102,464,475.97
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Solution
The fourth proportional to 309,726,554.80, 464,659,825.79 and 102,464,475.97 is: 153,719,869.40
Step by Step Solution
- Step 1: Write the proportion equation
309,726,554.80 : 464,659,825.79 = 102,464,475.97 : x - Step 2: Convert to fraction form
309,726,554.80/464,659,825.79 = 102,464,475.97/x - Step 3: Cross multiply
309,726,554.80x = 464,659,825.79 × 102,464,475.97 - Step 4: Simplify right side
309,726,554.80x = 47,611,125,553,883,840 - Step 5: Solve for x
x = 47,611,125,553,883,840/309,726,554.80 - Step 6: Final answer
x = 153,719,869.40
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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.