Finding the Fourth Proportional to 7,274,236,425.70, 10,911,354,638.55 and 3,141,751,209.70
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Solution
The fourth proportional to 7,274,236,425.70, 10,911,354,638.55 and 3,141,751,209.70 is: 4,712,626,814.55
Step by Step Solution
- Step 1: Write the proportion equation
7,274,236,425.70 : 10,911,354,638.55 = 3,141,751,209.70 : x - Step 2: Convert to fraction form
7,274,236,425.70/10,911,354,638.55 = 3,141,751,209.70/x - Step 3: Cross multiply
7,274,236,425.70x = 10,911,354,638.55 × 3,141,751,209.70 - Step 4: Simplify right side
7,274,236,425.70x = 34,280,761,635,130,163,200 - Step 5: Solve for x
x = 34,280,761,635,130,163,200/7,274,236,425.70 - Step 6: Final answer
x = 4,712,626,814.55
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Double scale
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Similar ratio
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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.