Finding the Fourth Proportional to 755,770,898.80, 1,133,656,348.20 and 626,630,735.80
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Solution
The fourth proportional to 755,770,898.80, 1,133,656,348.20 and 626,630,735.80 is: 939,946,103.70
Step by Step Solution
- Step 1: Write the proportion equation
755,770,898.80 : 1,133,656,348.20 = 626,630,735.80 : x - Step 2: Convert to fraction form
755,770,898.80/1,133,656,348.20 = 626,630,735.80/x - Step 3: Cross multiply
755,770,898.80x = 1,133,656,348.20 × 626,630,735.80 - Step 4: Simplify right side
755,770,898.80x = 710,383,911,616,907,008 - Step 5: Solve for x
x = 710,383,911,616,907,008/755,770,898.80 - Step 6: Final answer
x = 939,946,103.70
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1.5x scale
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.