Finding the Fourth Proportional to 481,319,758.40, 720,802,173 and 434,737,883.12
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Solution
The fourth proportional to 481,319,758.40, 720,802,173 and 434,737,883.12 is: 651,043,314.49
Step by Step Solution
- Step 1: Write the proportion equation
481,319,758.40 : 720,802,173 = 434,737,883.12 : x - Step 2: Convert to fraction form
481,319,758.40/720,802,173 = 434,737,883.12/x - Step 3: Cross multiply
481,319,758.40x = 720,802,173 × 434,737,883.12 - Step 4: Simplify right side
481,319,758.40x = 313,360,010,838,316,032 - Step 5: Solve for x
x = 313,360,010,838,316,032/481,319,758.40 - Step 6: Final answer
x = 651,043,314.49
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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.