Finding the Fourth Proportional to 366,984,129.60, 550,476,194.40 and 221,865,307.20
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Solution
The fourth proportional to 366,984,129.60, 550,476,194.40 and 221,865,307.20 is: 332,797,960.80
Step by Step Solution
- Step 1: Write the proportion equation
366,984,129.60 : 550,476,194.40 = 221,865,307.20 : x - Step 2: Convert to fraction form
366,984,129.60/550,476,194.40 = 221,865,307.20/x - Step 3: Cross multiply
366,984,129.60x = 550,476,194.40 × 221,865,307.20 - Step 4: Simplify right side
366,984,129.60x = 122,131,569,976,842,912 - Step 5: Solve for x
x = 122,131,569,976,842,912/366,984,129.60 - Step 6: Final answer
x = 332,797,960.80
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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.