Finding the Fourth Proportional to 6,317,751,431.20, 9,476,627,146.80 and 4,481,091,335.20
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Solution
The fourth proportional to 6,317,751,431.20, 9,476,627,146.80 and 4,481,091,335.20 is: 6,721,637,002.80
Step by Step Solution
- Step 1: Write the proportion equation
6,317,751,431.20 : 9,476,627,146.80 = 4,481,091,335.20 : x - Step 2: Convert to fraction form
6,317,751,431.20/9,476,627,146.80 = 4,481,091,335.20/x - Step 3: Cross multiply
6,317,751,431.20x = 9,476,627,146.80 × 4,481,091,335.20 - Step 4: Simplify right side
6,317,751,431.20x = 42,465,631,794,446,573,568 - Step 5: Solve for x
x = 42,465,631,794,446,573,568/6,317,751,431.20 - Step 6: Final answer
x = 6,721,637,002.80
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Double scale
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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.