Finding the Fourth Proportional to 7,100,762,743.80, 10,651,144,115.70 and 2,963,175,694.20
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Solution
The fourth proportional to 7,100,762,743.80, 10,651,144,115.70 and 2,963,175,694.20 is: 4,444,763,541.30
Step by Step Solution
- Step 1: Write the proportion equation
7,100,762,743.80 : 10,651,144,115.70 = 2,963,175,694.20 : x - Step 2: Convert to fraction form
7,100,762,743.80/10,651,144,115.70 = 2,963,175,694.20/x - Step 3: Cross multiply
7,100,762,743.80x = 10,651,144,115.70 × 2,963,175,694.20 - Step 4: Simplify right side
7,100,762,743.80x = 31,561,211,359,063,592,960 - Step 5: Solve for x
x = 31,561,211,359,063,592,960/7,100,762,743.80 - Step 6: Final answer
x = 4,444,763,541.30
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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.